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Geoturist Evaluation of Geosites in the Tuchola Forest Biosphere Reserve (N Poland)

Geoturist Evaluation of Geosites in the Tuchola Forest Biosphere Reserve (N Poland) resources Article Geoturist Evaluation of Geosites in the Tuchola Forest Biosphere Reserve (N Poland) 1 1 1 1 , 2 , Arkadiusz Krawiec , Włodzimierz Wysocki , Izabela Jamorska and Szymon Belzyt * Faculty of Earth Sciences and Spatial Management, Nicolaus Copernicus University, ul. Lwowska 1, 87-100 Torun, ´ Poland; arkadiusz.krawiec@umk.pl (A.K.); wl.wysocki@gmail.com (W.W.); izabela.jamorska@umk.pl (I.J.) Institute of Geology, Adam Mickiewicz University, B. Krygowskiego 12, 61-680 Poznan, ´ Poland * Correspondence: s.belzyt@umk.pl Abstract: The geotourist evaluation of 32 geosites, including mineral deposits occurrence (1), petrolog- ical (12), sedimentological (2), and geomorphological (9), as well as hydrological and hydrogeological (8) sites, located in the area of Tuchola Forest Biosphere Reserve (TFBR), has been carried out. The study aims to provide a qualitative assessment of geodiversity via the evaluation of abiotic nature objects, as well as propose modifications in geotourist valuation criteria, for the purpose of applying it to the areas located in the Central European Plains. The evaluated geosites represent both perfect ex- amples of typical features for the physiography of the TFBR, as a young glacial landscape, e.g., erratic boulders, glaciofluvial landforms, postglacial landforms, and lakes or peatbogs, as well as values proving the uniqueness of the area on both regional and international scales, e.g., disused under- ground lignite mine “Montania”. High scores of geotourist attractiveness (between 36 and 44 points) have been received by 14 evaluated geosites (1 mineral deposits occurrence geosite, 4 petrological geosites, 1 sedimentological geosite, and 5 geomorphological geosites, as well as 3 hydrological and hydrogeological geosites). The remaining 18 geosites have received a medium score (between 25 and 34 points). Three areas of high concentration of geosites, which overlap with the boundaries of Tuchola, Wdecki, and Zaborski (area of the greatest diversity of highly-ranked geosites) landscape Citation: Krawiec, A.; Wysocki, W.; parks, were distinguished. The authors proposed geosites that require improving their accessibility Jamorska, I.; Belzyt, S. Geoturist to enhance the geotourist attractiveness, recognized the necessity of marking out geotourist trails in Evaluation of Geosites in the Tuchola the most attractive and diversified areas, and noticed the influence of extreme weather phenomena Forest Biosphere Reserve (N Poland). (whirwinds) on changes in the geotourist attractiveness of some geosites. It is believed that the results Resources 2022, 11, 13. https:// of the conducted evaluation may favorably affect the importance, position, and publicity of the whole doi.org/10.3390/resources11020013 area by supplementing the well-recognized biodiversity with the geodiversity presented in the study. Academic Editor: Paulo Pereira Keywords: geoheritage; geotourist valorization; biodiversity and geodiversity; postglacial landscape; Received: 20 December 2021 young glacial landscape Accepted: 23 January 2022 Published: 26 January 2022 Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in 1. Introduction published maps and institutional affil- The Tuchola Forest (in Polish: Bory Tucholskie) constitutes one of the largest forest iations. complexes in the northern part of Poland, which belongs to the plains of Central Europe. It is situated in the postglacial area, within the range of the Weichselian glaciation (Last Glaciation, Vistulian). The area of the Tuchola Forest Biosphere Reserve (TFBR) is unique, Copyright: © 2022 by the authors. both in terms of landscape and nature. It is characterized by exceptional biodiversity [1–4]; Licensee MDPI, Basel, Switzerland. however, literature devoted to the subject lacks specific studies concerning its geodiversity, This article is an open access article geological heritage, and geotourist potential, as well as the evaluation and valorization distributed under the terms and of abiotic objects (geosites). Unlike biodiversity, the term geodiversity, and by exten- conditions of the Creative Commons sion the whole concept of geodiversity, have appeared in Poland relatively recently [5]. Attribution (CC BY) license (https:// Internationally, the notion of geodiversity was used for the first time in German literature creativecommons.org/licenses/by/ (Geodiversität), in the study by Wiedenbein [6]; simultaneously, this term was introduced 4.0/). Resources 2022, 11, 13. https://doi.org/10.3390/resources11020013 https://www.mdpi.com/journal/resources Resources 2022, 11, 13 2 of 29 into English literature (geodiversity) by Sharples in 1993 [7,8]. Since then, the definition of geodiversity has undergone repeated modifications [7–18]. At the same time, the meth- ods of geodiversity assessment (valorization) have also changed [5,14,17,19–24]. In the relevant literature, geodiversity is associated with geological heritage, as a neutral term, in terms of values describing the diversity of abiotic nature that can be found on Earth, whereas geological heritage is a term burdened with values used for the identification of all the components of geodiversity selected for the purpose of geoconservation [25]. Geodiversity, defined in the Polish language, by Kozłowski [26], as a diversification of abiotic natural monuments, can be qualitatively assessed and quantitatively measured for a given area [8,27]. The most essential elements of the material geological heritage are called ‘geological sites’, frequently referred to as geosites (geomorphosites, geotopes). They are spatially limited fragments of the Earth’s crust or its surface, as well as effects of processes occurring at these sites in the past or at present, which we are capable of defining and determining their value, in terms of the heritage [28]. The majority of studies, concerning the assessment of geosites and geotourist evaluation in Poland, focus on upland and mountain areas, e.g., [29–36], whereas a significantly smaller number of studies are devoted to geodiversity, geotourism, and geological heritage in postglacial lowland areas, which constitute the largest part of the country, e.g., [37–42]. One of the few examples of projected geoparks in central and northern Poland, for which only a preliminary assessment of geotourist attrac- tiveness has been made, is the “Postglacial land of Drawa and Debnica ˛ Rivers Geopark” located in NW Poland [42]. Therefore, applying evaluation system to the area of the TFBR required a certain modification of specific criteria. The objective of the following study is filling this gap, by means of providing a qualitative assessment of geodiversity, evaluating the abiotic nature objects in TFBR, and proposing modifications in geotourist valuation criteria, for the purpose of applying it to the areas located in the Central European Plains. The authors of the study have chosen such a conceptual and methodological approach to evaluating geotourist objects as an essential part of assessing the geodiversity of the area. 2. Study Area—Tuchola Forest Biosphere Reserve (TFBR) As far as the study area is concerned, the following article has concentrated on the Tuchola Forest Biosphere Reserve (TFBR), which includes within its borders the most valuable parts of the Tuchola Forest, in terms of both nature and scenery. The study area covers 3195 km (Figures 1 and 2). More than 86% of its area is currently overgrown with woodland. The TFBR was created under the Man and Biosphere Programme (MAB), which has been implemented by UNESCO all over the world, since 1970. Biosphere reserves are areas that contain outstanding natural features and preserve their natural character. Simultaneously, they present typical features of habitats, which are globally diversified and established for both conservation and scientific reasons, as well as for the purposes of both ecological education, according to the rules of sustainable development, enhancement of environmental protection, and other promotional purposes. The TFBR can be found on the list of eleven such areas in Poland and is the largest of all, in terms of the surface area. It was founded on 2 June 2010 and, in accordance with the requirements of the UNESCO- MAB programme, it was divided into three zones [4,43]: (1) the core zone—occupying the surface area of approximately 7881 hectares and constituting the most valuable areas in the Tuchola Woodland, in terms of natural beauty, the Tuchola Forest National Park, covering the area of 4613.05 hectares and containing 25 nature reserves. (2) The buffer zone—covering the surface area, in excess of 104,631 hectares, it is formed of four landscape parks: Tuchola Landscape Park, Wdecki Landscape Park, Zaborski Landscape Park, and Wdzydzki Landscape Park (Figure 1), as well as 19 nature reserves (faunistic, peat-bog, floristic, floristic aquatic, landscape, forest, and archaeological nature reserves). This zone also includes areas surrounding six nature reserves located beyond the borders of landscape parks. (3) The transit zone— which occupies an area of approximately 207,000 hectares. Resources 2022, 11, x FOR PEER REVIEW 3 of 31 reserves). This zone also includes areas surrounding six nature reserves located beyond Resources 2022, 11, 13 3 of 29 the borders of landscape parks. (3) The transit zone— which occupies an area of approxi- mately 207,000 hectares. Figure 1. Study area—Tuchola Forest Biosphere Reserve (TFBR), with the locations of national Figure 1. Study area—Tuchola Forest Biosphere Reserve (TFBR), with the locations of national parks, parks, landscape parks, and geosites. Base layers: OpenStreetMap; Corine Land Cover; Digital Ele- landscape parks, and geosites. Base layers: OpenStreetMap; Corine Land Cover; Digital Elevation vation Model—geoportal.gov.pl (accessed on 20 January 2022). Model—www.geoportal.gov.pl (accessed on 20 December 2021). The TFBR covers an area of 22 communes, belonging to four counties in two voivode- ships: Kuyavian-Pomeranian (13 communes) and Pomeranian (9 communes). The main forms of human activity in the TFBR are forestry, tourism, and recreation, as well as wood Resources 2022, 11, 13 4 of 29 The TFBR covers an area of 22 communes, belonging to four counties in two voivode- ships: Kuyavian-Pomeranian (13 communes) and Pomeranian (9 communes). The main forms of human activity in the TFBR are forestry, tourism, and recreation, as well as wood processing, fishery, and agriculture [43]. In 2018, an update of the borders of the TFBR was proposed, assuming the extension of the existing reserve, which entailed the acquisition of some parts of the neighboring administrative, as well as physical and geographical units [44]. Currently, the work is still in progress on this update. The area of TFBR has been regularly affected by extreme weather conditions in recent years, including whirlwinds. In 2012, a whirlwind, which was passing through a corridor between 300 and 800 m wide, caused the complete destruction of approximately 550 hectares of forest. In 2017, another whirlwind resulted in the devastation of around 1000 hectares of forest. Finally, in 2021, a whirlwind destroyed about 1000 hectares of forest [45,46]. According to geographical regionalization [47,48], TFBR is situated within the province of the Central European Plain, sub-province of Southern Baltic Lakelands, and two physical and geographical macro-regions, i.e., the Southern-Pomeranian Lakeland (99.3% of the study area) and Eastern-Pomeranian Lakeland (0.7% of the study area). Within them, 8 physical and geographical mesoregions and 32 micro-regions can be distinguished. The largest mesoregion, the Tuchola Forest, occupies 56% of the area of the TFBR. In terms of the area, it is followed by other mesoregions, such as Swiecie Upland, Charzykowska Plain, Northern Krajna Lakeland, the Brda River Valley, Kashubian Lake District, and Starogard Lakeland [47]. In terms of type of sediments, these areas within the maximum extent of the Fennoscandian Ice Sheet during the Last Glaciation belong to outwash plains with lakes (for example, the micro-regions of the Brda Outwash and the Wda Outwash Plains) and young glacial moraine plateaux (for instance, the micro-region of Brusy-Karsin-Czersk Upland), criss-crossed by valleys discharging glaciofluvial water from outwash plains (for example, the micro-region of the Brda River Valley). The study area is characterized by lowland and lakeland landscapes, as well as the diversity concerning altitudes above sea level (from approximately 66.5 m above sea level in the southern part up to 206.2 m above sea level in the northern part [4]). 2.1. Biodiversity In the area of the TFBR, there occurs a range of natural systems marked on the Natura 2000 list of conservation objectives as priority ecological systems. They include, among others, moorlands, mid-forest lobelia lakes, and dystrophic lakes with charophyte grassland, as well as peat bogs of the Atlantic type and deciduous forests [4,43]. They are inhabited by numerous rare, relict, and protected species of vascular and sporulated plants and fungi, as well as by vertebrate and invertebrate animals, including representatives of endangered species [4,43]. Almost the entire study area, with the exception of moraine hills, is covered with one of the largest pine forests in Poland [49]. The forest area is composed mainly of pine monoculture, with a small mixture of the common white birch, aspen, and pedunculate oak [50]. The lower parts of the forest are most commonly overgrown with European rowan and juniper, whereas the forest floor consists of moss, as well as many species of berries and heather [3]. The crust vegetation of the Tuchola Forest, in the present form, constitutes the remains of the former Tuchola Primeval Forest, overgrown predominantly by beech and pine, which were accompanied by larger patches of forest, consisting of other deciduous trees, such as oak, hornbeam, aspen, or lime. Forest communities began to grow in these areas soon after the end of the Weichselian glaciation. Initially, they constituted birch and pine forest complexes. Over the years, natural factors, which later combined with anthropogenic factors, led to a significant restructuring of the primary forest ecosystems. As the climate was getting warmer, pine was gradually replaced by such species as lime or oak [1,51]. Along with the emergence of human settlement, the process of the gradual degradation of forest flora began. It suddenly accelerated, together with the development of industry. Today’s forest structure is shaped by middle-aged stands coming from planting, whereas Resources 2022, 11, 13 5 of 29 specimens that are over a century old are rather uncommon [51]. The area of the TFBR is distinguishable from neighboring areas by virtue of the fact that a great number of rare and endangered species, as well as relicts, can be found [3]. Primeval forest ecosystems currently occupy rather small areas and are under strict protection. Among them one can find the yew reserve by Mukrz Lake or the primary deciduous forest reserve with the wild service tree stands in the vicinity of Tlen ´ [50]. Currently, the most common forest type is the fresh coniferous forest, which overgrows podzolic soils on sands of outwash plains. In addition to natural forest sites, essential elements of the Tuchola Forest flora are concentrations of bog and peat vegetation, as well as diverse flora of lichens, which has around 300 species [1–3]. 2.2. Geology and Geomorphology According to geological regionalization of Poland, without the Cenozoic cover, the area of the area of TFBR belongs to the Koscierzyna ´ Segment of the Koscierzyna-Puławy ´ Syncli- norium and the Pomeranian Segment of the Mid-Polish Anticlinorium [52]. The Cenozoic sediments in the study area reach a thickness of approximately 200 m. The Paleogene and Neogene sediments are represented by mudstones, sands, and limestones, as well as clays and silts, with some interbedding of lignites (brown coals) [53,54]. During the Pleistocene, the Fennoscandian Ice Sheet repeatedly expanded in the study area. The present relief of the TFBR was shaped during the Last Glaciation (Weichselian glaciation or Vistulian). Its main elements include sandy glaciofluvial outwash plains, which developed in front of the Ice Sheet during the Pomeranian phase of the Weichselian glaciation (Figure 2). In the area of the TFBR, two main outwash plains connected with the drainage basins of the Wda and Brda Rivers (Figure 2). The outwash plains are diversified by numerous kettle-holes, scattered over the entire study area, e.g., [55,56], as well tunnel valleys (subglacial valleys), Holocene river valleys predominantly running from the north-west to the south-east, and aeolian forms—dunes (currently covered by vegetation). The two biggest concentrations of the latter occur on the eastern and western sides of Charzykowskie Lake (Figure 2), as well as in the central part of the study area, between the Czerska Struga and the Bielska Struga Rivers. The depth of the tunnel valleys reaches between 20 and 30 m, whereas their width oscillates between 200 and 2600 m [4]. Within the area of the TFBR, the biggest tunnel valleys run in the approximately longitudinal form. They include the Byszewo tunnel valley, which is 2.3 km wide and 55 km long [57], and the Charzykowskie Lake tunnel valley, which is several hundred meters wide and over 20 km long. Other commonly encountered landforms include end moraines composed of clays, silts, sands, and gravels with boulders (Figure 2). They are mainly located in the western part of the study area, to the south-west of Charzykowskie Lake. Moreover, a significant part of the study area is occupied by the moraine plateaux (moraine uplands), composed of clays formed during the Poznan ´ phase of the Weichselian glaciation. The Holocene sediments are represented by gyttjas, lacustrine chalk, peats, and aggradate muds, as well as clays, sands, and gravels, filling the beds of tunnel valleys, river valleys, and kettle holes (Figure 2). Resources 2022, 11, x FOR PEER REVIEW 6 of 31 Resources 2022, 11, 13 6 of 29 Figure 2. Geological map of the study area (after geological map of Poland, in scale 1:500,000 [58]; Figure 2. Geological map of the study area (after geological map of Poland, in scale 1:500,000 [58]; changed) and location of geosites. Base layers: OpenStreetMap; digital elevation model—geopor- changed) and location of geosites. Base layers: OpenStreetMap; digital elevation model—www. tal.gov.pl (accessed on 20 January 2022). geoportal.gov.pl (accessed on 20 December 2021). 3. Materials and Methods 3. Materials and Methods In order to conduct the assessment of the current visual condition of geosites and In order to conduct the assessment of the current visual condition of geosites and touri tourist st dev development elopment of of thei theirr surroundings, surroundings, aafield field inspection inspection h hasa been s been c carried arrie out d out andand pho- photogra tographic phic documenta documentation tion ha has been s been provi provided ded. The . Th geosites e geosites in t in the Th uchola e Tuchola Forest Bio- Forest Biosphere Reserve (TFBR) have been identified on the basis of in-house and field studies, carried sphere Reserve (TFBR) have been identified on the basis of in-house and field studies, carr out ied out involving involving t the Central he CeGeosites ntral Geos Register ites Regof ister o the fPolish the Poli Geological sh Geologic Institute–National al Institute–Na- Research Institute (PGI-NRI) [59]. A detailed analysis of historical archives, such as tourist tional Research Institute (PGI-NRI) [59]. A detailed analysis of historical archives, such as maps, guidebooks of different regions, local magazines, and Internet resources, has been tourist maps, guidebooks of different regions, local magazines, and Internet resources, has Resources 2022, 11, 13 7 of 29 conducted. The locations of the 23 geosites that have been evaluated in this study come from the Central Geosites Register of PGI-NRI [59], whereas 9 geosites have been proposed by the authors of the article on the basis of the remaining sources (tourist maps, guidebooks of different regions, local magazines, and Internet resources). The natural objects presented in this study constitute a representative selection, including geosites, typically taking into consideration the geological history of the region, as well as unique specimens or forms. The geotourist evaluation of the geosites in TFBR has been conducted on the basis of the criteria proposed by Dmytrowski and Kicinska ´ [60], with modifications by the authors (Table 1). There are 5 basic values and 19 assessment criteria that have been selected. The basic values are as follows: I—intrinsic value of the site, II—positioning value of the site, III—cultural value of the site, IV—scope of information on the site and its availability, and V—tourist development of the site (Table 1). The necessity to modify the geotourist evaluation criteria, by the authors of the study, has resulted from the need to adjust them to the lowland character of the TFBR, since the majority of publications, concerning geotourist evaluations, involve upland and mountain areas, e.g., [29–31,33–35,61]. The changes had content-related character. The value (I) indicates the several criteria inappropriate to the study area, which have been rejected, such as: the occurrence of peculiar geological structures (for instance, sedimentary, erosional, or tectonic), as well as the occurrence of petrographic and mineralogical peculiarities in the rocks. In view of the inability to carry out the detailed geological studies and the lack of available data, this criterion can only be treated as complementary criteria [62]. However, the educational value of the geosites has been taken into account by adding the criterion of thematic differentiation [32]. Another change has been introduced to the criterion concerning the positioning value of the site (II), in relation to tourism centers or destinations. The threshold distance of 5 km has been extended to 10 km, after taking into account the lowland nature of the terrain relief and possibility of visiting the geosites within the framework of cycling tourism, which is not always possible in mountain areas. The cultural value (III) has been supplemented by a criterion concerning the connection of a geosite with religion, which constitutes an essential element of culture. Moreover, the criteria concerning the connection of a monument with history and local folklore or legends, which hitherto were considered separately, have been combined, in view of the difficulty of clear qualification of a given event as a historical fact or folklore tale. As far as an adequate evaluation of the criterion, concerning the scope of information on the site and its availability (IV) is concerned, it has required the separation of the availability of information in literature and the Internet. Finally, when it comes to the notion of tourist development of the site (V), the criterion concerning the assessment of the geotourist trail has been omitted, due to the fact that “no formal trail along which any geotourist attractions are located has been mapped out” [63] and no route concentrating on the values of inanimate nature sites that could perform the function of a geotourist trail. As a result of the conducted evaluation, two indicators have been obtained. The educational value (EV), calculated as a total sum of all partial assessments for the criteria from I to IV, determines the possibility of the educational use of geosites and necessity to establish or improve legal protection or geotourist development [60]. The geotourist attractiveness value (GA) is calculated as a total sum of the educational value (EV) and geotourist development. In terms of the educational value, geosites could score a minimum of 13 points and maximum of 42 points, whereas, in terms of geotourist attractiveness, they could score 16 and 51 points, respectively. On the basis of the adopted classification, a table has been created that enables the attribution of generalized descriptive assessments (from “low” through “average” to “high”) to a numeric value within a specific score range (Table 2). Map presentations have been made by means of the ArcGIS software. A digital terrain model has been created, on the basis of data made available by the Central Surveying and Cartographic Documentation Centre, Poland. Resources 2022, 11, 13 8 of 29 Table 1. Basic values, assessment criteria, and scores of geotourist evaluation of the geosites in Tuchola Forest Biosphere Reserve, on the basis of Dmytrowski and Kicinska ´ [60], with modifications by the authors. No. Criterion High Score (3 Points) Medium Score (2 Points) Low Score (1 Point) I—intrinsic value of the site significance of the site, in the context of high medium low I/a geology and geomorphology of the the site well describes the formation of the the site partially describes the formation the site of little or no significance to the region (the rank of the site) region and all the processes happening of the region formation of the region high medium low geological and geomorphological value of I/b complex structure or very well visible partly visible monothematic structure or poorly visible or invisible geological or the site geological or geomorphological processes geomorphology geomorphological structure low high medium the site in a very bad condition, virtually I/c condition of the site the site in a very good condition, not the site partly overgrown with vegetation invisible, due to being totally overgrown overgrown with vegetation or littered or partly littered with vegetation or extremely littered the size of the site (relevant to the type of high medium low I/d the site) outstanding in terms of size of average size rather insignificant in terms of size low high medium the site indistinguishable from the I/e esthetic qualities of the site the site located in excellent visibility with the site only partially visible with its surrounding scenery, not drawing its structure drawing attention structure of rather average attractiveness any attention high medium low I/f uniqueness of the site the site is the only example occurring in the site is one of few specimens of this the site is one of many specimens of this the region type in the region type in the region high medium low I/g thematic variations of the sites the site represents more than the site represents between 2 and the site represents less than 2 themes 3 different themes 3 different themes II—the positioning value of the site good average bad location in relation to main II/a location of the site within 1 km from a location of the site within 1–3 km from a location of the site within a distance longer communication routes communication route with a parking communication route than 3 km from a communication route good average bad location in relation to main tourist trails II/b location of the site within 0–10 m from a location of the site within 10–200 m from location of the site within a distance longer (cycling, walking, and others) tourist trail a tourist trail than 200 m from a tourist trail Resources 2022, 11, 13 9 of 29 Table 1. Cont. No. Criterion High Score (3 Points) Medium Score (2 Points) Low Score (1 Point) good average bad II/c location in relation to main tourist centers location of the site on the premises of a location of the site within 10 km from a location of the site within a distance longer tourist centre or on its periphery tourist centre than 10 km from a tourist centre low average high II/d degree of difficulty during sightseeing easy access and sightseeing, no specialist occasional difficulty during sightseeing difficult access, harsh terrain, or equipment needed and steeper climbs considerably overgrown with vegetation III—the cultural value of the site scoring system: answer “yes”—1 point, answer “no”—0 points. III/a connection of the site with mining the site is directly connected with previous or present mineral resource exploitation III/b connection of the site with religion the site is connected with previous or present religious cult or activity III/c connection of the site with history the site is connected with a historical event or a local folk tale, it constitutes an element of the history of a region IV—scope of information on the site and its availability good average bad availability and accessibility of IV/a many specialist and popular science few specialist publications or research only basic information in scientific information on the site in literature publications, as well as research articles on the site literature and lack of detailed publications good average availability and accessibility of bad IV/b comprehensive and sufficient amount of small amount of information on the site information on the site on the Internet total lack of information on the site information on the site on the Internet V—tourist development of the site good average bad administration and management of V/a the site is properly managed and the site is available to tourism, with the site is unavailable to tourism, the owner the site available to tourism certain limitations is not interested in improving its accessibility bad presence of an information board with good average content that is unintelligible V/b information board at the site presence of an information board that presence of an information board that the information board is damaged or briefly and clearly describes the site rather unclearly describes the site destroyed or a lack of any information board good average bad V/c accompanying development presence of benches and rubbish bins presence of incomplete accompanying total lack of accompanying development in within a suitable distance from the site development the immediate vicinity of the site Resources 2022, 11, 13 10 of 29 Table 2. Assessments and score ranges for specific geotourist evaluation results, on the basis of Dmytrowski and Kicinska ´ [60], with amendments. High Score Medium Score Low Score Value Over 70% 40–69% Below 40% Intrinsic value of the site >15 15–8 <8 (I = I/a + I/b + I/c + I/d + I/e + I/f + I/g) Positioning value of the site >8 8–5 <5 (II = II/a + II/b + II/c + II/d) Cultural value of the site 3 2 1–0 (III = III/a + III/b + III/c) Scope of information on the site and its availability >4 4–2 <2 Educational value (EV) >29 29–17 <17 (EV = I + II + III + IV) Tourist development of the site >6 6–4 <4 (V = V/a + V/b + V/c) Geotourist attractiveness (GA) >35 35–21 <21 (GA = EV + V) 4. Results and Discussion The results of the geosite evaluation in the area of the Tuchola Forest Biosphere Reserve (TFBR) are presented in Table 3, in the form of a map diagram (Figure 3). The selected geosites represent the typical features of the Tuchola Forest as a young glacial landscape and typical values, which prove the uniqueness of this natural site at the regional or international level. Among the evaluated geosites, natural and cultural objects that depict the relationship between man and the natural environment can be found. Since there are various kinds of geosites, they have been allocated to one of the different thematic groups, including such subjects as: mineral deposits occurrence, petrology, sedimentology, and geomorphology, as well as hydrology and hydrogeology (Table 3, Figures 1–3). Geosites have been categorized according to type, which has been determined on the basis of particular dominant features represented by the site. The petrological sites include erratic boulders (9 geosites), erratic boulders in the form of megalithic structures (2), and boulder areas (1). The sedimentological sites are represented by natural exposures (2), while the mineral deposits occurrence site by exposure of lignite-bearing sediments (1). The geomorphological sites consist of the following types: glaciofluvial landforms (3), post- glacial landforms (2), and viewing points, providing a view of the particular landforms (3). The hydrological and hydrogeological geosites are represented by lakes (5), peat bogs (2), and springs (1). The list of the selected geosites, along with their division, in terms of type and theme of the site, has been presented in Table 4. Every single geosite is accompanied by a special geosite documentation card (GDC). A sample card, translated from Polish language, has been presented in Figure 4. 4.1. The Diversity of the Types of Geosites in the Tuchola Forest Biosphere Reserve—Case Studies 4.1.1. Mineral Deposits Occurrence Mineral deposits occurrence geosite is represented by exposure of lignite-bearing sediments in the disused underground lignite mine “Montania” in Piła-Młyn (no. 1; 45 points of Geotourist attractiveness (GA)—Tables 3 and 4; Figures 4 and 5A–F). Resources 2022, 11, 13 11 of 29 Table 3. Results of geotourist evaluation of the Tuchola Forest Biosphere Reserve. The evaluation of the geosite called “Płociczno erratic boulder (Devil’s Stone)” has been made both for the state before the 2017 whirlwind (6) and its state afterwards (marked with italics, 6a). EV—Educational Value, GA—Geotourist attractiveness. Geosites representing one group are marked with background grey or white color. Results of the Geotourist Evaluation Final Score No. I/a I/b I/c I/d I/e I/f I/g II/a II/b II/c II/d III/a III/b III/c IV/a IV/b V/a V/b V/c EV (EV = I + II + III + IV) GA (GA = EV + V) 1. 2 3 3 2 3 3 2 3 3 2 3 1 0 1 3 3 3 3 2 37 45 2. 3 2 3 3 3 3 2 3 3 1 3 0 1 1 2 3 3 1 3 36 43 3. 2 2 2 3 3 2 2 3 3 1 3 0 1 1 3 3 2 3 3 34 42 4. 2 2 3 3 3 2 2 3 1 1 3 0 1 1 3 3 3 3 2 33 41 5. 3 2 3 2 2 2 2 2 3 2 3 0 0 0 2 3 3 2 1 31 37 6. 3 2 3 1 2 1 2 3 3 2 3 0 0 1 1 2 3 1 1 29 34 6a. 3 2 1 1 1 1 2 3 1 2 2 0 0 1 1 2 1 1 1 23 26 7. 3 2 3 1 2 1 2 3 3 1 3 0 0 0 1 2 3 1 2 27 33 8. 3 2 3 1 2 1 2 2 3 2 2 0 0 0 1 2 3 2 1 26 33 9. 3 2 2 2 3 1 2 3 3 3 1 0 0 0 1 2 2 1 1 28 32 10. 3 2 2 1 2 1 2 2 3 2 3 0 0 0 1 2 2 2 1 26 31 11. 3 2 1 1 2 1 2 3 3 1 1 0 0 1 1 2 2 1 1 24 28 12. 3 2 1 1 1 1 2 3 2 1 1 0 0 1 2 3 2 1 1 24 28 13. 3 2 1 1 1 1 2 3 1 2 2 0 0 0 1 2 2 1 1 22 26 14. 3 3 2 2 2 2 1 2 3 1 3 1 0 0 3 2 3 2 2 31 38 15. 3 3 1 1 2 3 2 3 2 2 2 0 0 0 2 2 2 1 1 28 32 mineral resource Type of the sedimentological petrological occurrence Geosite Resources 2022, 11, 13 12 of 29 Table 3. Cont. Results of the Geotourist Evaluation Final Score No. I/a I/b I/c I/d I/e I/f I/g II/a II/b II/c II/d III/a III/b III/c IV/a IV/b V/a V/b V/c EV (EV = I + II + III + IV) GA (GA = EV + V) 16. 3 2 3 3 3 2 2 3 3 3 3 0 0 0 2 3 3 3 3 35 44 17. 3 2 2 2 2 3 2 3 2 1 3 0 1 1 3 2 3 2 3 32 40 18. 3 3 2 2 3 2 2 2 3 1 2 1 0 0 2 3 3 3 2 31 39 19. 3 3 3 2 3 1 2 3 1 2 3 0 0 0 2 3 3 3 2 31 39 20. 3 2 3 1 3 2 1 3 3 2 2 0 0 0 1 1 3 3 3 27 36 21. 3 3 2 2 3 2 2 2 2 2 2 0 0 0 2 2 2 2 1 29 34 22. 2 2 3 1 3 1 1 3 3 1 3 0 0 0 1 2 3 2 2 26 33 23. 3 3 2 3 1 1 1 3 1 1 3 0 0 0 2 2 2 1 1 26 30 24. 2 3 2 2 1 1 1 3 1 2 2 1 0 0 2 1 1 1 1 24 27 25. 3 2 2 3 3 1 2 3 3 3 3 0 0 0 3 3 3 2 3 34 42 26. 3 3 3 2 3 1 2 2 2 2 3 0 0 0 2 3 3 3 3 31 40 27. 2 2 3 2 3 2 2 2 2 2 3 1 0 0 2 2 3 3 2 30 38 28. 3 2 2 2 2 1 2 3 2 1 3 0 0 0 2 2 2 1 2 27 32 29. 3 2 2 1 2 1 2 2 1 2 3 0 0 0 2 2 2 2 1 25 30 30. 2 2 2 1 3 2 1 1 1 1 3 0 0 0 2 2 2 2 1 23 28 31. 3 2 1 1 2 1 2 3 1 2 1 0 0 0 1 2 2 1 1 22 26 32. 2 2 1 1 2 2 2 1 2 2 2 0 0 0 1 2 2 1 1 22 26 hydrological and Type of the geomorphological hydrogeological Geosite Resources 2022, 11, 13 13 of 29 Table 4. List of selected geosites that have undergone geotourist evaluation. The names of geosites included in the Central Geosites Register of Poland by Polish Geological Institute-National Research Institute have been bolded. The evaluation of the geosite called “Płociczno erratic boulder (Devil’s Stone)” has been made both for the state before the 2017 whirlwind (6) and its state afterwards (marked with italics, 6a). EV—Educational Value, GA—Geotourist attractiveness. Geosites representing one group are marked with background grey or white color. No. Type of the Geosite Form Name of Geosites EV GA 1. mineral deposits occu rrence exposure of lignite-bearing sediments disused underground lignite mine “Montania” 37 45 2. petrological erratic boulder St. Wojciech’s (St. Adalbert’s) Stone 36 43 3. petrological megalithic structure stone circles in Odry 34 42 4. petrological megalithic structure stone circles in Lesno ´ 33 41 5. petrological boulder area Piekiełko boulder area 31 37 6. Płociczno erratic boulder (Devil’s Stone) 29 34 petrological erratic boulder 6a. evaluation after the 2017 whirlwind 23 26 7. petrological erratic boulder erratic boulder in the village of Zur 27 33 8. petrological erratic boulder erratic boulder in the village of Małe Swornegacie 26 32 9. petrological erratic boulder erratic boulder in the township of Tlen ´ 28 32 10. petrological erratic boulder erratic boulder at the Wzgórze Wolnos ´c ´ 26 31 11. petrological erratic boulder Jagiello’s Stone 24 28 12. petrological erratic boulder Napoleon’s Stone 24 28 13. petrological erratic boulder erratic boulder in the village of Chocinski ´ Młyn 22 26 14. sedimentological natural exposure lacustrine chalk in the Kulawa River Valley 31 38 15. sedimentological natural exposure Bozepole Szlacheckie—Late Glacial fossil lake 28 32 16. geomorphological viewing point Wdzydzkie Lakes Cross 35 44 17. geomorphological postglacial landform Wierzchlas Reserve 32 40 18. geomorphological glaciofluvial landform the Kulawa River Valley 31 39 19. geomorphological postglacial landform Kozie Lakes 31 39 20. geomorphological viewing point viewing point near Ła˛zek 27 36 21. geomorphological glaciofluvial landform the Ryszka River Valley 29 34 22. geomorphological viewing point viewing point over the Brda River Valley in Gołabek ˛ 26 33 23. geomorphological glaciofluvial landform tunnel valley in the vicinity of Wiecko 26 30 24. geomorphological viewing point moraine plateau in the vicinity of Zamek Kiszewski 24 27 Resources 2022, 11, 13 14 of 29 Table 4. Cont. No. Type of the Geosite Form Name of Geosites EV GA hydrological 25. lake Charzykowskie Lake 34 42 and hydrogeological hydrological 26. lake Wielkie Gacno Lake 31 40 and hydrogeological hydrological 27. peatbog basin peatbog at Kacze Oko Lake 30 38 and hydrogeological hydrological 28. lake Mukrz Lake 27 32 and hydrogeological hydrological 29. lake Martwe Lake 25 30 and hydrogeological hydrological 30. springs the Sta˛zka River springs 23 28 and hydrogeological hydrological 31. lake Zdreczno ˛ Lake 22 26 and hydrogeological hydrological 32. peatbog Czysciewnica ´ spring peatbog 22 26 and hydrogeological Resources 2022, 11, x FOR PEER REVIEW 13 of 31 Geosites have been categorized according to type, which has been determined on the basis of particular dominant features represented by the site. The petrological sites include erratic boulders (9 geosites), erratic boulders in the form of megalithic structures (2), and boulder areas (1). The sedimentological sites are represented by natural exposures (2), while the mineral deposits occurrence site by exposure of lignite-bearing sediments (1). The geomorphological sites consist of the following types: glaciofluvial landforms (3), postglacial landforms (2), and viewing points, providing a view of the particular land- forms (3). The hydrological and hydrogeological geosites are represented by lakes (5), peat Resources 2022, 11, 13 15 of 29 bogs (2), and springs (1). The list of the selected geosites, along with their division, in terms of type and theme of the site, has been presented in Table 4. Figure 3. Map diagram showing the spatial diversification of geosites in the area of the Tuchola Figure 3. Map diagram showing the spatial diversification of geosites in the area of the Tuchola Forest Biosphere Reserve. Forest Biosphere Reserve. The Every sing lignite deposits le geosite occur is acc within ompanied the Miocene by a speci sediments, al geosite which document were atsever ion ca ely rd (G dis- DC). torted glaciotectonically, covered with the Pleistocene sediments. The thickness of the A sample card, translated from Polish language, has been presented in Figure 4. deposits ranges from several to more than a dozen meters. The deposits were discovered in the middle of the 19th century, as a result of the natural exposure of layers with lignite in the aftermath of river erosion processes in the Brda River Valley. At the beginning of the 20th century, two lignite mines, called Buko and Olga, whose shafts reached a depth of 50 m, were established and started their operations. Between 1900 and 1910, the average annual production of lignite reached 10,000 tons [64]. The site is one of the few occurrences of lignite at shallow depths in northern Poland. The mine is a unique monument of lignite mining in Poland, where the extraction of lignite is carried out using mainly open pit methods. The exploitation of the deposits was terminated in 1939, at a depth of 80 m below ground level. A relatively low depth of lignite extraction, the method of conducting mining operations, as well as low levels of strength of overhanging rocks, contributes to the occurrence of sinkholes, in the form of ditches and craters reaching 3 m in depth, which are firmly established in the terrain relief (Figure 4) [64]. The site is currently de- veloped as a “Mining Village”, which, apart from visiting the shafts or examining mining equipment or interactive models, offers the organization of thematic events connected with the mining tradition of the site (Figure 5A–F). The development of the site has been continuously improving for a few years, whereby the geosite demonstrates an increasing Resources 2022, 11, x FOR PEER REVIEW 16 of 31 Resources 2022, 11, 13 16 of 29 4.1. The Diversity of the Types of Geosites in the Tuchola Forest Biosphere Reserve—Case Studies attractiveness to tourism and is of supra-regional importance. The remains of the former 4.1.1. Mineral Deposits Occurrence lignite mine “Montania” in Piła-Młyn, as a result of the evaluation process, has been given Mineral deposits occurrence geosite is represented by exposure of lignite-bearing the highest score for its geotourist attractiveness (45 points; Table 3), which consists of high educational value (37 points), as well as a high level of geotourist development (8 points) sediments in the disused underground lignite mine “Montania” in Piła-Młyn (no. 1; 45 (Tables 3 and 4). points of Geotourist attractiveness (GA)—Tables 3 and 4; Figures 4 and 5A–F). Figure 4. A sample geosite documentation card of a disused underground lignite mine “Montania” Figure 4. A sample geosite documentation card of a disused underground lignite mine “Montania” in Piła-Młyn, no. 1—the geosite with the highest score, in terms of geotourist attractiveness, in the in Piła-Młyn, no. 1—the geosite with the highest score, in terms of geotourist attractiveness, in the area of the Tuchola Forest Biosphere Reserve (photo by: W. Wysocki and A. Krawiec). area of the Tuchola Forest Biosphere Reserve (photo by: W. Wysocki and A. Krawiec). Resources 2022, 11, x FOR PEER REVIEW 17 of 31 The lignite deposits occur within the Miocene sediments, which were severely dis- torted glaciotectonically, covered with the Pleistocene sediments. The thickness of the de- posits ranges from several to more than a dozen meters. The deposits were discovered in the middle of the 19th century, as a result of the natural exposure of layers with lignite in the aftermath of river erosion processes in the Brda River Valley. At the beginning of the 20th century, two lignite mines, called Buko and Olga, whose shafts reached a depth of 50 m, were established and started their operations. Between 1900 and 1910, the average an- nual production of lignite reached 10,000 tons [64]. The site is one of the few occurrences of lignite at shallow depths in northern Poland. The mine is a unique monument of lignite mining in Poland, where the extraction of lignite is carried out using mainly open pit methods. The exploitation of the deposits was terminated in 1939, at a depth of 80 m below ground level. A relatively low depth of lignite extraction, the method of conducting mining oper- ations, as well as low levels of strength of overhanging rocks, contributes to the occurrence of sinkholes, in the form of ditches and craters reaching 3 m in depth, which are firmly established in the terrain relief (Figure 4) [64]. The site is currently developed as a “Mining Village”, which, apart from visiting the shafts or examining mining equipment or interac- tive models, offers the organization of thematic events connected with the mining tradi- tion of the site (Figure 5A–F). The development of the site has been continuously improv- ing for a few years, whereby the geosite demonstrates an increasing attractiveness to tour- ism and is of supra-regional importance. The remains of the former lignite mine “Mon- tania” in Piła-Młyn, as a result of the evaluation process, has been given the highest score for its geotourist attractiveness (45 points; Table 3), which consists of high educational Resources 2022, 11, 13 17 of 29 value (37 points), as well as a high level of geotourist development (8 points) (Tables 3 and 4). Figure 5. The disused lignite mine “Montania” in Piła-Młyn, no. 1—the geosite with the highest Figure 5. The disused lignite mine “Montania” in Piła-Młyn, no. 1—the geosite with the highest score, score, in terms of geotourist attractiveness in the area of the Tuchola Forest Biosphere Reserve. (A) in terms of geotourist attractiveness in the area of the Tuchola Forest Biosphere Reserve. (A) entrance entrance to the old shaft and old mining equipment; (B) original entrance to the shaft; (C) exhibition to the old shaft and old mining equipment; (B) original entrance to the shaft; (C) exhibition of of renovated mining equipment; (D) entrance to the “Mining Village”; (E) example of information renovated mining equipment; (D) entrance to the “Mining Village”; (E) example of information boards installed in the “Mining Village”; (F) interactive model of the former mining town (photo boards installed in the “Mining Village”; (F) interactive model of the former mining town (photo by: by: A. Krawiec and S. Belzyt). A. Krawiec and S. Belzyt). 4.1.2. Petrological Geosites 4.1.2. Petrological Geosites The petrological geosites are represented by erratic boulders (9 geosites), erratic boul- The petrological geosites are represented by erratic boulders (9 geosites), erratic ders in the form of megalithic structures, and a boulder area (1) (Figure 6A–G). The high- boulders in the form of megalithic structures, and a boulder area (1) (Figure 6A–G). The est score belongs to the geosite that is typical for the physiography of the Tuchola Forest, highest score belongs to the geosite that is typical for the physiography of the Tuchola Forest, namely the erratic boulder called St. Wojciech’s (St. Adalbert’s) Stone, also commonly referred to as the Devil’s Stone (no. 2; 43 points—Tables 3 and 4; Figure 6A,B). It is the largest erratic boulder in Pomerania and one of the largest in Poland. Its circumference measures 24.5 m, and its height reaches more than 3 m (Figure 6A). It is pink and grey medium-crystalline granite (Figure 6B). The geosite is located on one of the Wda River terraces, approximately one kilometer away from its today’s valley (Figures 1 and 2). The history of the boulder includes numerous local folktales, according to which the stone used to be a pagan sacrificial altar or was used by the devil to barricade the river, whereas St. Wojciech (St. Adalbert) used to preach his sermons from this stone during his pilgrimage to the land of the pagan Prussians. In the vicinity of the geosite, there is a car park and several benches designed for tourists. In spite of the supra-regional importance of the geosites, resulting from the sheer size of the boulder, there is no information board at the site. As a result of the evaluation process, the St. Wojciech’s (St. Adalbert’s) Stone has scored 42 points, which proves its high intrinsic value, as well as high geotourist development (Table 3). The most highly assessed geosite belonging to the group of megalithic structures is the stone circle complex in Odry (no. 3; 42 points—Tables 3 and 4), which is situated in the northern part of the study area on the Wda River bank (Figures 1 and 2). Within the boundaries of a reserve, which was established in 1958 and covers an area of 0.17 km , there are stone barrows and circles made of erratic boulders of Scandinavian origin (Figure 6E,F). They include different kinds of granitoids and gneisses, as well as quartzites. Apart from the petrological value, the area of the reserve has quite a remarkable cultural and botanical value. The site documents the development of cultural heritage, showing traces of early human activity—a unique cemetery of the Goths, originating from between the first and Resources 2022, 11, 13 18 of 29 the third century AD. As a result of the examination of the lichen flora, on the surfaces of the boulders, approximately 80 species of lichens, including many typically mountainous Resources 2022, 11, x FOR PEER REVIEW 19 of 31 and unique lichens, on a national scale have been identified [65]. In the area of the reserve, there are numerous information boards and a viewing terrace. Figure 6. Examples of geosites typical for young glacial landscape. Petrological geosites: (A,B) St. Figure 6. Examples of geosites typical for young glacial landscape. Petrological geosites: (A,B) St. Wojciech’s (St. Adalbert’s) Stone, no. 2; (C) erratic boulder in the village of Żur, no. 7; (D) erratic Wojciech’s (St. Adalbert’s) Stone, no. 2; (C) erratic boulder in the village of Zur, no. 7; (D) erratic boulder at the Wzgórze Wolność, no. 10; (E,F) erratic boulders in stone circle reserve in Odry, ar- boulder at the Wzgórze Wolnos ´c, ´ no. 10; (E,F) erratic boulders in stone circle reserve in Odry, ranged in stone circles (megalithic structure), no. 3; (G) Piekiełko boulder area—erratic boulders arranged in stone circles (megalithic structure), no. 3; (G) Piekiełko boulder area—erratic boulders located along the riverbank in the river gap section of the Brda River, no. 5; sedimentological geosite: located along the riverbank in the river gap section of the Brda River, no. 5; sedimentological geosite: (H) natural exposure of Late Glacial fossil lake in Bożepole Szlacheckie, no. 15 (photo by: A. Krawiec, (H) natural exposure of Late Glacial fossil lake in Bozepole ˙ Szlacheckie, no. 15 (photo by: A. Krawiec, W. Wysocki and S. Belzyt). W. Wysocki and S. Belzyt). 4.1.3. Sedimentological Geosites 4.1.3. Sedimentological Geosites Sedimentological geosites are represented by two natural exposures. The first one— Sedimentological geosites are represented by two natural exposures. The first one— lacustrine chalk in the Kulawa River Valley geosite (no. 14; 38 points—Tables 3 and 4) lacustrine chalk in the Kulawa River Valley geosite (no. 14; 38 points—Tables 3 and 4) exposes layers and/or intercalations of lacustrine chalk of the late Pleistocene/Holocene exposes layers and/or intercalations of lacustrine chalk of the late Pleistocene/Holocene age, underlain by detritus gyttja. The site locally shows traces of mineral exploitation. The age, underlain by detritus gyttja. The site locally shows traces of mineral exploitation. The second sedimentological geosite is Bożepole Szlacheckie—late Glacial fossil lake (no. 15; second sedimentological geosite is Bozepole ˙ Szlacheckie—late Glacial fossil lake (no. 15; 32 points—Tables 3 and 4; Figure 6H). The exposed profile consists of sand, silt, and car- 32 points—Tables 3 and 4; Figure 6H). The exposed profile consists of sand, silt, and carbon- bonate sediments with lake fauna—ostracods and bivalves—that indicate the occurrence of a lake of increasing depth existing there in the period of late Glacial—early Holocene [59,66]. Resources 2022, 11, 13 19 of 29 ate sediments with lake fauna—ostracods and bivalves—that indicate the occurrence of a lake of increasing depth existing there in the period of late Glacial—early Holocene [59,66]. 4.1.4. Geomorphological Geosites In the area of the TFBR, there are numerous geosites that present a collection of well- developed landforms, typical of young glacial areas, cf. [37,57]. They include glaciofluvial landforms (e.g., meandering river valleys, oxbow lakes, slope scars in slopes of river valleys, tunnel valleys, and outwash plains), postglacial landforms (e.g., kettle holes, dead- ice moraines, kames, and kame terraces), and viewing points that provide access to them (Figure 7). As far as viewing points displaying terrain relief forms are concerned, the highest score has been given to the Wdzydzkie Lake Cross geosite (Wdzydze Lake observation tower) (no. 16; 44 points—Tables 3 and 4; Figure 7A–C), located in the main tourist resort of the northern part of the TFBR, called Wdzydze Kiszewskie (Figures 1 and 2). From the top of the tower (Figure 7A), at a height of 36 m, the “Wdzydzkie Lakes Cross”, commonly called by the local inhabitants “the Kashubian Sea”, can be seen (Figure 7B). It consists of two intersecting tunnel valleys, measuring 9 and 11 km in length, surrounded by the sands and gravels of the Koscierzyna ´ outwash plain. The first valley, running from the West to the East, is filled with water from Radolne and Gołun ´ Lakes, whereas the other one, running from the North to the South, is filled with water from Wdzydze and Jelenie Lakes (Figure 7B). With a depth of 72 m, Wdzydze Lake is the sixth deepest lake in Poland. The coastlines of these lakes are highly diversified (Figure 7B). There are 10 islands on these lakes that provide sanctuaries to rare and protected species of wetland birds, as well as habitats for numerous protected species of plants. The largest of them, called Ostrów Wielki, covers an area of 0.96 km and is 3 km long, which makes it the second largest lake island in Poland. The Kozłowiec Peninsula, which is a typical example of kame, is perfectly visible from the observation tower in the southern-westerly direction. The observation tower is situated by an asphalt paved road, as well as in the immediate vicinity of walking and cycling trails. There is a car park, catering, and recreation facilities, as well as numerous information boards, installed by the Wdzydzki Landscape Park authorities (e.g., Figure 7C). The geotourist attractiveness of this site has been assessed as high (44 points, Tables 3 and 4). Of all the evaluated postglacial landforms, the highest score belongs to the Wierzchlas Reserve geosite (no. 17; 40 points—Tables 3 and 4), which is located in the central part of the TFBR (Figures 1 and 2). The reserve is distinguished by its unique geomorphological and natural features—it is a cluster of many areal deglaciation forms, connected with the disintegration of the ice sheet into blocks and patches of ice, as well as the process of gradual melting [59]. The highest elevations are kame hills (e.g., Figure 7D), formed out of fine sands and silts, whereas lower hills constitute gravelly, sandy, and clayey dead-ice moraines surrounded by flat surfaces of kame terraces [67]. The largest kettle hole in the immediate neighborhood of the reserve is occupied by the vanishing Mukrz Lake. In the south-eastern part of the reserve, there is another smaller kettle hole, currently almost totally overgrown with peat vegetation (Figure 7E). The reserve constitutes an environmental peculiarity, due to the frequent occurrence of the yew tree (Taxus baccata) in the natural state, which is an extremely rare phenomenon. In 1827, the first nature reserve on the Polish ground was established in this area, called Ziesbusch (translated from German as “yew thickets”). This geosite is commonly associated with a well-known Polish painter Leon Wyczółkowski. The best-ranked example of glaciofluvial landforms is the Kulawa River Valley (no. 18; 39 points—Tables 3 and 4), located in the north-western part of the TFBR, within the boundaries of the Zaborski Landscape Park (Figures 1 and 2). The Kulawa River, which is a tributary to the Zbrzyca River, reaches 7 km in length and is characterized by an uneven slope, which results in the diversity of its erosive force, depending on the section of the river [68]. In the vicinity of Małe Głuche Lake, the river has created 10 meters’ of high undercuts, with a slope inclination exceeding 40 . The valley crosses an outwash plain, Resources 2022, 11, 13 20 of 29 formed by the sands and gravels of the Last Glaciation age. At the end of Pleistocene, water covered the valley up to several meters above the bottom of the river, gradually accumulating calcium carbonate, in the form of lacustrine chalk, which is exposed in some places. The Kulawa River Valley has a 5 kilometers’ long educational path, running along the bottom of a tunnel valley. The path crosses also anthropogenic meadows, which were created as a result of artificial drainage. There are nine information boards along this trail. 4.1.5. Hydrological and Hydrogeological Geosites Hydrological and hydrogeological geosites are represented by lakes (5), peatbogs (2), and a spring (1) (Figure 8). The most highly assessed representative of this category is Charzykowskie Lake (no. 25; 42 points—Tables 3 and 4), situated in the western part of the studied area (Figures 1 and 2). Charzykowskie Lake is a flow-through ribbon lake, having a characteristic longitudinally elongated shape (Figure 8A,B). It has an area of 13.64 km , which makes it the second largest lake in the Tuchola Forest. Its average depth reaches 9.8 m, whereas the maximum depth is 30.5 m [70]. The lake is characterized by grade II water purity. The genesis of the lake is connected with filling a tunnel valley with dead-ice blocks in the Late Weichselian period (approx. 15,000 years ago) [59], and then with the climate warming, causing the ice to melt. On the north-eastern shores of the lake, the height of which reaches 25 m, a viewing point has been located, which simultaneously is the location of the geosite (Figure 8A). In the nearest neighborhood, there is a very well-developed accommodation and catering base, which is tourist-oriented and focused on water-sports and recreation. The first sailing club in Poland was founded in the nearby village of Charzykowy in 1922. The basin peatbog Kacze Oko Lake is also remarkable for its high level of geotourist attractiveness (no. 27; 38 points—Tables 3 and 4). This site represents a group of basin bogs, which are characterized by a small area, which allows them to be perfectly preserved naturally or semi-naturally [71]. The dystrophic Kacze Oko Lake (Figure 8C), covering the area of 0.3 ha and with a maximum depth of 5.4 m, constitutes the water surface of a raised peatbog, which has created a complex of raised peat moss, together with Magellanic peat moss. A typical feature of this site is the accumulation of a several meter-deep layer of detritus gytia, reaching the mineral bedrock formations. The Kacze Oko peatbog has many traces of anthropogenic conversions. The sites bears signs of former exploitation of peat, in the form of resurgent peat trenches [71] (Figure 8E). The geosite has an educational trail, running along a wooden footpath, which enables sightseeing the area without any harm to the ecosystem (Figure 8D). 4.2. Discussion of Value and Spatial Diversification of Geosites in the Area of the Tuchola Forest Biosphere Reserve None of the evaluated geosites has received a low score (<21), in terms of geotourist attractiveness. The most attractive geotourist site is a mineral deposit occurrence geosite—a disused lignite mine, called “Montania” in Piła-Młyn—the score of which was 45 points. Apart from this geosite, high scores (between 36 and 44 points) have been received by 13 other geosites (4 petrological geosites, 1 sedimentological geosite, and 5 geomorpholog- ical geosites, as well as 3 hydrological and hydrogeological geosites). The highest rated geosites in each group were characterized in Section 4.1. The remaining 18 geosites have received a medium score (Tables 3 and 4). All the most highly assessed hydrological and hydrogeological geosites (Charzykowskie Lake, no. 25, 42 points; Wielkie Gacno Lake, no. 26, 40 points; and basin peatbog at Kacze Oko Lake, no. 27, 38 points) are concentrated in the area of the Zaborski Landscape Park, while the most highly assessed petrological and geomorphological sites are scattered around the entire TFRB area (Tables 3 and 4; Figure 3). As far as the most poorly evaluated geosites (<30 points) are concerned, these are mostly sites of the petrological (three geosites), as well as hydrological and hydrogeological (three geosites) types, which is mostly caused by their common occurrence (low level of unique- ness) and insufficient geotourist development (Tables 3 and 4). Moreover, the most poorly Resources 2022, 11, 13 21 of 29 evaluated geosites include one geomorphological site (morainic plateau in the vicinity of Zamek Kiszewski, no. 24, 27 points). Its score is mainly affected by low positioning and low cultural values of the site, as well as bad tourist development (Table 3). The main criteria causing such a large diversity of the geotourist attractiveness of petrological, as well as hydrological and hydrogeological, geosites are the: condition of the site (criterion I/c), size of the site (criterion I/d), esthetic qualities of the site (criterion I/e), uniqueness of the site (criterion I/f), presence or lack of the information board at the site (criterion V/b), and presence or lack of the accompanying equipment (criterion V/c, Table 1). The evaluation results have also been presented in a spatial form, by means of a map diagram (Figure 3). Such a method of presentation made it possible to indicate places of the highest level of geodiversity and point to those areas where the geosites with the highest score are situated. The evaluated geosites are scattered around the entire research area (Figures 1–3). On the whole, three places of high concentration of geosites can be distinguished, and they tend to overlap with the boundaries of landscape parks: the Tuchola Landscape, Wdecki Landscape, and Zaborski Landscape Parks, with the Tuchola Forest National Park. The areas of the greatest diversity of geosites are the Zaborski Landscape and Tuchola Landscape Parks (Figures 1 and 3). Their borders encompass four out of five types of geosites identified in this area. The Zaborski Landscape Park is the area of the greatest concentration of diverse and highly-ranked geosites. They include hydrological and hydrogeological geosites: the Charzykowskie Lake (no. 25; 42 points— Tables 3 and 4), Wielkie Gacno Lake (no. 26; 40 points), and basin peatbog at Kacze Oko Lake (no. 27, 38 points); petrological geosites: the stone circles in Lesno ´ (no. 4, 41 points), erratic boulder in the village of Małe Swornegacie (no. 8, 32 points), erratic boulder at Wzgórze Wolnos ´c ´ (no. 10, 31 points), anderratic boulder in the village of Chocinski ´ Młyn (no. 13, 26 points); geomorphological geosites: the Kulawa River Valley (no. 18, 39 points); and sedimentological geosites: natural exposure of lacustrine chalk in the Kulawa River Valley (no. 14, 38 points). The Tuchola Landscape Park includes the following types of geosites: mineral resources occurrence (an absolutely unique site in this part of Poland— exposures of lignite-bearing sediments in disused underground mine “Montania”, no. 1, 45 points), petrological (Piekiełko boulder area, no. 5, 37 points, and Jagiello’s Stone erratic boulder, no. 11), geomorphological (Kozie Lakes postglacial landform, no. 19, 39 points, and viewing point over the Brda River in Gołabek, ˛ no. 22, 33 points), as well as hydrological and hydrogeological (the Sta˛zka ˙ River springs, no. 30, 28 points, and Zdreczno ˛ lake, no. 31, 26 points). In the Wdecki Landscape Park, there is a large concentration of objects representing three different types of geosites in a relatively small area (petrological—erratic boulder in the township of Tlen, ´ no. 9, 32 points); geomorphological—the Ryszka River Valley, no. 21, 34 points; and hydrological and hydrogeological—Czysciewica ´ spring peatbog, no. 32, 26 points. However, these are geosites of medium geotourist attractiveness (between 27 and 34 points). Geosites with high intrinsic (>15) and educational value (>26), but low geotourist development value (<4), require improving their accessibility by installation of information boards, benches, and liter bins (criteria V/b and V/c, Table 1). Geosites with a high rate of educational value but low or medium geotourist development value include: the Płociczno (Devil’s Stone), Tlen ´ erratic boulders, late Glacial fossil lake in Bozepole ˙ Szlacheckie, the Ryszka River Valley, and Mukrz Lake. The improvement of accessibility of the above mentioned geosites could enhance the geotourist attractiveness of the whole Tuchola Forest region. It points to the necessity of urgently improving geotourist development in these places. 4.3. Impact of External Factors on Changes in Geotourist Attractiveness of Geosites During the process of geosite evaluation, both the negative and positive impact of extreme weather conditions, such as whirlwinds, on geotourist attractiveness of two geosites was observed. Resources 2022, 11, x FOR PEER REVIEW 21 of 31 accumulating calcium carbonate, in the form of lacustrine chalk, which is exposed in some places. The Kulawa River Valley has a 5 kilometers’ long educational path, running along Resources 2022, 11, 13 22 of 29 the bottom of a tunnel valley. The path crosses also anthropogenic meadows, which were created as a result of artificial drainage. There are nine information boards along this trail. Figure 7. Examples of geomorphological geosites typical for young glacial landscape. (A) Wdzydzkie Lakes Cross site—the observation tower over Wdzydze Lake, no. 16; (B) fragment of the panorama view from the top of observation tower in Wdzydze Kiszewskie, no. 14—intersection of two tunnel valleys, filled with water from Wdzydze and Jelenie Lakes; (C) information boards installed by the Wdzydzki Landscape Park authorities; (D) fragment of a slope of kame in Wierzchlas Reserve, no. 17; (E) former kettle hole, currently almost totally overgrown with peat vegetation in Wierzchlas Reserve, no. 17; (F) viewing point over the meandering Brda River Valley in Gołabek, ˛ no. 22 (photo by: S. Belzyt and W. Wysocki); (G) contact of the tunnel valley, in the vicinity of Wiecko, with the erosive part of Wda River valley, no. 23 (interpretation after Błaszkiewicz, 2005 [69]). Base layer: digital elevation model—www.geoportal.gov.pl (accessed on 20 December 2021). Resources 2022, 11, 13 23 of 29 Resources 2022, 11, x FOR PEER REVIEW 23 of 31 Figure 8. Examples of hydrological and hydrogeological geosites. (A) View point on the north-east- Figure 8. Examples of hydrological and hydrogeological geosites. (A) View point on the north- ern shores of the Charzykowskie Lake, no. 25; (B) aerial view of the south-eastern shores of the eastern shores of the Charzykowskie Lake, no. 25; (B) aerial view of the south-eastern shores of the Charzykowskie Lake, no. 25; (C) view of the Kacze Oko Lake basin peatbog, no. 27; (D) educational Charzykowskie Lake, no. 25; (C) view of the Kacze Oko Lake basin peatbog, no. 27; (D) educational trail, along the kettle-hole in Kacze Oko Lake basin peatbog geosite, no. 27; (E) traces of former trail, along the kettle-hole in Kacze Oko Lake basin peatbog geosite, no. 27; (E) traces of former exploitation of peat in Kacze Oko Lake basin peatbog geosite, no. 27; (F) view on the dystrophic Martwe Lake, no. 29; (G) trees destroyed by whirlwind, which swept through the area on July 14, exploitation of peat in Kacze Oko Lake basin peatbog geosite, no. 27; (F) view on the dystrophic 2012, in the closest vicinity of the Martwe Lake geosite (no. 29)—the comparison of views on the Martwe Lake, no. 29; (G) trees destroyed by whirlwind, which swept through the area on 14 July exposed southern part of the kettle-hole in years 2014 and (H) 2021; (I) inland lobelia lake Wielkie 2012, in the closest vicinity of the Martwe Lake geosite (no. 29)—the comparison of views on the Gacno, no. 26 ; (J) Czyściewnica spring complex peatbog, no. 32, and (K) a part of the longest beaver exposed southern part of the kettle-hole in years 2014 and (H) 2021; (I) inland lobelia lake Wielkie dam in TFBR (50 m long); (L) eutrophic part of the Zdręczno Lake, surrounded by a highmoor peat- Gacno, no. 26; (J) Czysciewnica ´ spring complex peatbog, no. 32, and (K) a part of the longest beaver land, no. 31 (photo A and C–L by: W. Wysocki, A. Krawiec and S. Belzyt; photo B, courtesy of the dam in TFBR (50 m long); (L) eutrophic part of the Zdreczno ˛ Lake, surrounded by a highmoor peatland, no. 31 (photo A and C–L by: W. Wysocki, A. Krawiec and S. Belzyt; photo B, courtesy of the Promotion of the Chojnice Region Organization—www.turystyka-chojnice.pl (accessed on 15 September 2021)). Resources 2022, 11, 13 24 of 29 The petrological geosite erratic boulder Płociczno (Devil’s Stone) (no. 6; Tables 3 and 4) is located on the north-western edge of the study area (Figures 1 and 2), which suffered the greatest extent of damage, as a result of a whirlwind, which took place at night between 11 and 12 August 2017 [45]. Currently, the forest administration authorities have decided to prevent access to the site until the process of removing fallen trees has come to an end. The educational path with information boards and signposts, which was marked out earlier, has been closed. The consequences of the whirlwind have considerably affected the tourist attractiveness of the geosite by lowering the value of the assessment criteria twice: before and after the disaster of 2017 (Figure 9A–C). The educational value of the geosite has been reduced from 29 points to 23 points (compare values 6 and 6a in Table 3), which results from a lower score given to the current condition of the geosite (criterion I/c, Table 1), positioning in relation to tourist trails (criterion II/b, Table 1), and level of difficulty during sightseeing (criterion II/d, Table 1). The tourist development of the geosite assessment has been negatively affected by the lower score, given for administration and management of the geosite (criterion V/a, Table 1). As a result of this, the assessment value of the geotourist Resources 2022, 11, x FOR PEER REVIEW 26 of 31 attractiveness of the site has fallen from 34 points before the whirlwind to 26 points after the disaster (Tables 2 and 3). Additionally, it has been observed that in the Central Register of Polish Geosites by Polish Geological Institute, National Research Institute [59], the information, concerning the condition and accessibility of the geosites, as well as the This observation led us to the conclusion that the condition of geosites requires per- photographic documentation of the geosites, have not undergone any modifications, which manent geomonitoring (site condition monitoring) or episodic monitoring after each sig- could be regarded as a potential threat to unsuspecting visitors, who do not anticipate nificant, extreme weather event, as a tool of geoconservation and geoheritage manage- any difficulties. ment, cf. [72]. Figure 9. Impact of extreme weather phenomena on changes in geotourist attractiveness of geosites. Figure 9. Impact of extreme weather phenomena on changes in geotourist attractiveness of geosites. (A–C) The destroyed trees and current availability of the petrological site Płociczno erratic boulder (A–C) The destroyed trees and current availability of the petrological site Płociczno erratic boulder (Devil’s Stone), no. 6, after a whirlwind that took place at night, between 11 and 12 August 2017; (D) (Devil’s Stone), no. 6, after a whirlwind that took place at night, between 11 and 12 August 2017; geomorphological site viewing point near Łążek, no. 20, that was created on the area affected by a (D) geomorphological site viewing point near Ła˛zek, ˙ no. 20, that was created on the area affected whirlwind that took place on 14 July 2012; (E) view of the outwash plain and the Prusina River by a whirlwind that took place on 14 July 2012; (E) view of the outwash plain and the Prusina River terrace from the observation tower—viewing point near Łążek, no. 20 (photo by: S. Belzyt and W. terrace from the observation tower—viewing point near Ła˛zek, ˙ no. 20 (photo by: S. Belzyt and Wysocki). W. Wysocki). 4.4. “Speaking Stones”—Form of Communicating Tourist Information Which Enhances Geotourist Attractiveness In recent years, in the Tuchola district, which, as an administrative unit, occupies 26% of the total area of the TFBR, located in its very centre, a new innovative form of com- municating tourist information has been introduced. Commonly occurring erratic boul- ders have been used as information storage media (Figure 10A,B). Each of 150 boulders, the height of which does not exceed 1 m, contains short information about the site en- graved on it, as well as a QR code, which enables acquiring more information about the geosite on a mobile device. The system of the so-called “speaking stones” was created as a part of the project referred to as “Borowieckie Trails”, the purpose of which was to revi- talize 540 km of tourist trails in the Tuchola Forest and create a tourist website and mobile e-guide around tourist attractions of the Tuchola district [73]. In the case of a few analysed geosites, the presence of “speaking stones” has favorably affected the assessment of the following criteria: scope of information about the site, accessibility of the geosites, and geotourist development (criteria IV and V; Table 1). This observation is a good example of the possible positive human-induced impact on geoheritage, cf. [72]. Resources 2022, 11, 13 25 of 29 The geomorphological site, referred to as the viewing point near Ła˛zek ˙ (no. 20; EV = 27, GA = 36; see Tables 3 and 4), was created after the whirlwind that swept through the Tuchola Forest on 14 July 2012. The removal of destroyed trees has highlighted the beauty of the landscape; as a result of which, the site has acquired a unique geotourist value. In 2014, an observation tower was erected on the nearby moraine hill (Figure 9D); a year later, an information board and memorial boulder, commemorating the effort of forest workers during the process of cleaning-up the natural debris, were planted. The observation tower offers an excellent view of the outwash plain and Prusina River terrace (Figure 9E). The viewing point clearly demonstrates the scale of destruction of trees and extent of damage (Figure 9D,E). This observation led us to the conclusion that the condition of geosites requires permanent geomonitoring (site condition monitoring) or episodic monitoring after each sig- nificant, extreme weather event, as a tool of geoconservation and geoheritage management, cf. [72]. 4.4. “Speaking Stones”—Form of Communicating Tourist Information Which Enhances Geotourist Attractiveness In recent years, in the Tuchola district, which, as an administrative unit, occupies 26% of the total area of the TFBR, located in its very centre, a new innovative form of communicating tourist information has been introduced. Commonly occurring erratic boulders have been used as information storage media (Figure 10A,B). Each of 150 boulders, the height of which does not exceed 1 m, contains short information about the site engraved on it, as well as a QR code, which enables acquiring more information about the geosite on a mobile device. The system of the so-called “speaking stones” was created as a part of the project referred to as “Borowieckie Trails”, the purpose of which was to revitalize 540 km of tourist trails in the Tuchola Forest and create a tourist website and mobile e-guide around tourist attractions of the Tuchola district [73]. In the case of a few analysed geosites, the presence of “speaking stones” has favorably affected the assessment of the following criteria: scope of information about the site, accessibility of the geosites, and geotourist Resources 2022, 11, x FOR PEER REVIEW 27 of 31 development (criteria IV and V; Table 1). This observation is a good example of the possible positive human-induced impact on geoheritage, cf. [72]. Figure 10. Examples of the “speaking stones”—form of communicating tourist information that en- Figure 10. Examples of the “speaking stones”—form of communicating tourist information that hances geotourist attractiveness of the sites. (A) Cultural site—crater after the explosion of a V-2 enhances geotourist attractiveness of the sites. (A) Cultural site—crater after the explosion of a V-2 missile; (B) archaeological and cultural site—millstones extracted from the Zamrzonka River (photo missile; (B) archaeological and cultural site—millstones extracted from the Zamrzonka River (photo by: W. Wysocki). by: W. Wysocki). 4.5. Importance of the Study and Recommendations The area of TFBR was assessed to be on the early (development) phase of Stansfield- Butler tourist area cycle of evolution, which means that the present pressure of tourism on the environment is low but expected to increase in the near future, with an increasing number of tourists visiting [74,75]. Simultaneously, the quality of sustainable tourism im- plementation level in the study area was evaluated as a low [74]. In this context, it is be- lieved that the results of conducted evaluation may favorably affect the importance, posi- tion, and publicity of the whole TFBR by supplementing the well-recognized biodiversity with geodiversity, presented in the study. Moreover, the authors claim that the results of the study may be used as an inventory for the process of the establishing geoconservation protected areas and geoheritage management in the area of TFBR, cf. [72]. We also recog- nize the necessity of marking out geotourist trails in the most attractive and diversified areas (for example, in the areas of Zaborski and Wdecki Landscape Parks, where several attractive geosites are concentrated in a relatively small area with good communication infrastructure). The authors of the study recommend entering nine geosites, which have been de- scribed in the study, into the Central Register of Polish Geosites by Polish Geological In- stitute, National Research Institute, as so far, they have gone unrecognized (Table 4). 5. Conclusions • In the area of the Tuchola Forest Biosphere Reserve (TFBR), which is distinguished by its biodiversity, numerous and diverse valuable geosites of inanimate nature can be found; • The evaluation of 32 sites has been carried out, among which mineral deposits occur- rence (1), petrological (12), sedimentological (2), and geomorphological (9), as well as hydrological and hydrogeological (8). Geosites represent both perfect examples of typical features for the physiography of the TFBR as a young glacial area (for in- stance, kettle holes, outwash plains, tunnel valleys, erratic boulders, lakes, and peat- bogs) and values proving the uniqueness of the TFBR, on both the regional and in- ternational scales (for example, disused underground lignite mine “Montania” or stone circle reserve in Odry); Resources 2022, 11, 13 26 of 29 4.5. Importance of the Study and Recommendations The area of TFBR was assessed to be on the early (development) phase of Stansfield- Butler tourist area cycle of evolution, which means that the present pressure of tourism on the environment is low but expected to increase in the near future, with an increasing number of tourists visiting [74,75]. Simultaneously, the quality of sustainable tourism imple- mentation level in the study area was evaluated as a low [74]. In this context, it is believed that the results of conducted evaluation may favorably affect the importance, position, and publicity of the whole TFBR by supplementing the well-recognized biodiversity with geodi- versity, presented in the study. Moreover, the authors claim that the results of the study may be used as an inventory for the process of the establishing geoconservation protected areas and geoheritage management in the area of TFBR, cf. [72]. We also recognize the necessity of marking out geotourist trails in the most attractive and diversified areas (for example, in the areas of Zaborski and Wdecki Landscape Parks, where several attractive geosites are concentrated in a relatively small area with good communication infrastructure). The authors of the study recommend entering nine geosites, which have been de- scribed in the study, into the Central Register of Polish Geosites by Polish Geological Institute, National Research Institute, as so far, they have gone unrecognized (Table 4). 5. Conclusions In the area of the Tuchola Forest Biosphere Reserve (TFBR), which is distinguished by its biodiversity, numerous and diverse valuable geosites of inanimate nature can be found; The evaluation of 32 sites has been carried out, among which mineral deposits occur- rence (1), petrological (12), sedimentological (2), and geomorphological (9), as well as hydrological and hydrogeological (8). Geosites represent both perfect examples of typical features for the physiography of the TFBR as a young glacial area (for instance, kettle holes, outwash plains, tunnel valleys, erratic boulders, lakes, and peatbogs) and values proving the uniqueness of the TFBR, on both the regional and international scales (for example, disused underground lignite mine “Montania” or stone circle reserve in Odry); There are three areas of high concentration of geosites that overlap with the bound- aries of landscape parks: Tuchola Landscape, Wdecki Landscape, Zaborski Land- scape Parks. The area of the greatest diversity of highly-ranked geosites is Zaborski Landscape Park; The most highly assessed geosite is the disused lignite mine “Montania”. This site has scored 45 points for its geotourist attractiveness. The site, in Piła-Młyn, where lignite-bearing sediments are exposed, is a unique monument of underground lignite mining in northern Poland. The high intrinsic value of the geosite is supplemented by very good geotourist development; Some of the geosites have changed their geosite attractiveness, as a result of extreme weather phenomena. Thus, the condition of geosites requires the introduction of geomonitoring, as a tool of geoconservation and geoheritage management. Author Contributions: Conceptualization, A.K. and W.W.; methodology, A.K., W.W. and I.J.; GIS analysis, I.J. and W.W.; field trips, W.W., S.B., A.K. and I.J.; archive resources and literature: W.W.; writing—original draft preparation, W.W.; S.B., I.J. and A.K.; writing—review and editing, S.B., I.J. and A.K.; figures, W.W., S.B. and I.J. All authors have read and agreed to the published version of the manuscript. Funding: Research has been partially financed from the grant for young academic faculty and doctoral students of Faculty of Earth Sciences and Spatial Management, Nicolaus Copernicus University (S. Belzyt). Institutional Review Board Statement: Not applicable. Informed Consent Statement: Not applicable. Resources 2022, 11, 13 27 of 29 Data Availability Statement: All data are available from the corresponding author upon reasonable request. Acknowledgments: The authors thank the anonymous reviewers for their constructive comments that helped improve the manuscript. Conflicts of Interest: The authors declare no conflict of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results. References 1. Boinski, ´ M. Rezerwat Biosfery “Bory Tucholskie”. In Proceedings of the Bory Tucholskie: Walory Przyrodnicze, Problemy Ochrony, Przyszłos ´c, ´ Bachorze, Poland, 17–20 September 1992; Nicolaus Copernicus University: Torun, ´ Poland, 1993; pp. 361–375. 2. Boinski, ´ M.; Boinska, ´ U. 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The Concept of a Tourist Area Cycle of Evolution: Implications for Management of Resources Change on a remote island over half a century View project. Can. Geogr. 1980, 24, 5–12. [CrossRef] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Resources Multidisciplinary Digital Publishing Institute

Geoturist Evaluation of Geosites in the Tuchola Forest Biosphere Reserve (N Poland)

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resources Article Geoturist Evaluation of Geosites in the Tuchola Forest Biosphere Reserve (N Poland) 1 1 1 1 , 2 , Arkadiusz Krawiec , Włodzimierz Wysocki , Izabela Jamorska and Szymon Belzyt * Faculty of Earth Sciences and Spatial Management, Nicolaus Copernicus University, ul. Lwowska 1, 87-100 Torun, ´ Poland; arkadiusz.krawiec@umk.pl (A.K.); wl.wysocki@gmail.com (W.W.); izabela.jamorska@umk.pl (I.J.) Institute of Geology, Adam Mickiewicz University, B. Krygowskiego 12, 61-680 Poznan, ´ Poland * Correspondence: s.belzyt@umk.pl Abstract: The geotourist evaluation of 32 geosites, including mineral deposits occurrence (1), petrolog- ical (12), sedimentological (2), and geomorphological (9), as well as hydrological and hydrogeological (8) sites, located in the area of Tuchola Forest Biosphere Reserve (TFBR), has been carried out. The study aims to provide a qualitative assessment of geodiversity via the evaluation of abiotic nature objects, as well as propose modifications in geotourist valuation criteria, for the purpose of applying it to the areas located in the Central European Plains. The evaluated geosites represent both perfect ex- amples of typical features for the physiography of the TFBR, as a young glacial landscape, e.g., erratic boulders, glaciofluvial landforms, postglacial landforms, and lakes or peatbogs, as well as values proving the uniqueness of the area on both regional and international scales, e.g., disused under- ground lignite mine “Montania”. High scores of geotourist attractiveness (between 36 and 44 points) have been received by 14 evaluated geosites (1 mineral deposits occurrence geosite, 4 petrological geosites, 1 sedimentological geosite, and 5 geomorphological geosites, as well as 3 hydrological and hydrogeological geosites). The remaining 18 geosites have received a medium score (between 25 and 34 points). Three areas of high concentration of geosites, which overlap with the boundaries of Tuchola, Wdecki, and Zaborski (area of the greatest diversity of highly-ranked geosites) landscape Citation: Krawiec, A.; Wysocki, W.; parks, were distinguished. The authors proposed geosites that require improving their accessibility Jamorska, I.; Belzyt, S. Geoturist to enhance the geotourist attractiveness, recognized the necessity of marking out geotourist trails in Evaluation of Geosites in the Tuchola the most attractive and diversified areas, and noticed the influence of extreme weather phenomena Forest Biosphere Reserve (N Poland). (whirwinds) on changes in the geotourist attractiveness of some geosites. It is believed that the results Resources 2022, 11, 13. https:// of the conducted evaluation may favorably affect the importance, position, and publicity of the whole doi.org/10.3390/resources11020013 area by supplementing the well-recognized biodiversity with the geodiversity presented in the study. Academic Editor: Paulo Pereira Keywords: geoheritage; geotourist valorization; biodiversity and geodiversity; postglacial landscape; Received: 20 December 2021 young glacial landscape Accepted: 23 January 2022 Published: 26 January 2022 Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in 1. Introduction published maps and institutional affil- The Tuchola Forest (in Polish: Bory Tucholskie) constitutes one of the largest forest iations. complexes in the northern part of Poland, which belongs to the plains of Central Europe. It is situated in the postglacial area, within the range of the Weichselian glaciation (Last Glaciation, Vistulian). The area of the Tuchola Forest Biosphere Reserve (TFBR) is unique, Copyright: © 2022 by the authors. both in terms of landscape and nature. It is characterized by exceptional biodiversity [1–4]; Licensee MDPI, Basel, Switzerland. however, literature devoted to the subject lacks specific studies concerning its geodiversity, This article is an open access article geological heritage, and geotourist potential, as well as the evaluation and valorization distributed under the terms and of abiotic objects (geosites). Unlike biodiversity, the term geodiversity, and by exten- conditions of the Creative Commons sion the whole concept of geodiversity, have appeared in Poland relatively recently [5]. Attribution (CC BY) license (https:// Internationally, the notion of geodiversity was used for the first time in German literature creativecommons.org/licenses/by/ (Geodiversität), in the study by Wiedenbein [6]; simultaneously, this term was introduced 4.0/). Resources 2022, 11, 13. https://doi.org/10.3390/resources11020013 https://www.mdpi.com/journal/resources Resources 2022, 11, 13 2 of 29 into English literature (geodiversity) by Sharples in 1993 [7,8]. Since then, the definition of geodiversity has undergone repeated modifications [7–18]. At the same time, the meth- ods of geodiversity assessment (valorization) have also changed [5,14,17,19–24]. In the relevant literature, geodiversity is associated with geological heritage, as a neutral term, in terms of values describing the diversity of abiotic nature that can be found on Earth, whereas geological heritage is a term burdened with values used for the identification of all the components of geodiversity selected for the purpose of geoconservation [25]. Geodiversity, defined in the Polish language, by Kozłowski [26], as a diversification of abiotic natural monuments, can be qualitatively assessed and quantitatively measured for a given area [8,27]. The most essential elements of the material geological heritage are called ‘geological sites’, frequently referred to as geosites (geomorphosites, geotopes). They are spatially limited fragments of the Earth’s crust or its surface, as well as effects of processes occurring at these sites in the past or at present, which we are capable of defining and determining their value, in terms of the heritage [28]. The majority of studies, concerning the assessment of geosites and geotourist evaluation in Poland, focus on upland and mountain areas, e.g., [29–36], whereas a significantly smaller number of studies are devoted to geodiversity, geotourism, and geological heritage in postglacial lowland areas, which constitute the largest part of the country, e.g., [37–42]. One of the few examples of projected geoparks in central and northern Poland, for which only a preliminary assessment of geotourist attrac- tiveness has been made, is the “Postglacial land of Drawa and Debnica ˛ Rivers Geopark” located in NW Poland [42]. Therefore, applying evaluation system to the area of the TFBR required a certain modification of specific criteria. The objective of the following study is filling this gap, by means of providing a qualitative assessment of geodiversity, evaluating the abiotic nature objects in TFBR, and proposing modifications in geotourist valuation criteria, for the purpose of applying it to the areas located in the Central European Plains. The authors of the study have chosen such a conceptual and methodological approach to evaluating geotourist objects as an essential part of assessing the geodiversity of the area. 2. Study Area—Tuchola Forest Biosphere Reserve (TFBR) As far as the study area is concerned, the following article has concentrated on the Tuchola Forest Biosphere Reserve (TFBR), which includes within its borders the most valuable parts of the Tuchola Forest, in terms of both nature and scenery. The study area covers 3195 km (Figures 1 and 2). More than 86% of its area is currently overgrown with woodland. The TFBR was created under the Man and Biosphere Programme (MAB), which has been implemented by UNESCO all over the world, since 1970. Biosphere reserves are areas that contain outstanding natural features and preserve their natural character. Simultaneously, they present typical features of habitats, which are globally diversified and established for both conservation and scientific reasons, as well as for the purposes of both ecological education, according to the rules of sustainable development, enhancement of environmental protection, and other promotional purposes. The TFBR can be found on the list of eleven such areas in Poland and is the largest of all, in terms of the surface area. It was founded on 2 June 2010 and, in accordance with the requirements of the UNESCO- MAB programme, it was divided into three zones [4,43]: (1) the core zone—occupying the surface area of approximately 7881 hectares and constituting the most valuable areas in the Tuchola Woodland, in terms of natural beauty, the Tuchola Forest National Park, covering the area of 4613.05 hectares and containing 25 nature reserves. (2) The buffer zone—covering the surface area, in excess of 104,631 hectares, it is formed of four landscape parks: Tuchola Landscape Park, Wdecki Landscape Park, Zaborski Landscape Park, and Wdzydzki Landscape Park (Figure 1), as well as 19 nature reserves (faunistic, peat-bog, floristic, floristic aquatic, landscape, forest, and archaeological nature reserves). This zone also includes areas surrounding six nature reserves located beyond the borders of landscape parks. (3) The transit zone— which occupies an area of approximately 207,000 hectares. Resources 2022, 11, x FOR PEER REVIEW 3 of 31 reserves). This zone also includes areas surrounding six nature reserves located beyond Resources 2022, 11, 13 3 of 29 the borders of landscape parks. (3) The transit zone— which occupies an area of approxi- mately 207,000 hectares. Figure 1. Study area—Tuchola Forest Biosphere Reserve (TFBR), with the locations of national Figure 1. Study area—Tuchola Forest Biosphere Reserve (TFBR), with the locations of national parks, parks, landscape parks, and geosites. Base layers: OpenStreetMap; Corine Land Cover; Digital Ele- landscape parks, and geosites. Base layers: OpenStreetMap; Corine Land Cover; Digital Elevation vation Model—geoportal.gov.pl (accessed on 20 January 2022). Model—www.geoportal.gov.pl (accessed on 20 December 2021). The TFBR covers an area of 22 communes, belonging to four counties in two voivode- ships: Kuyavian-Pomeranian (13 communes) and Pomeranian (9 communes). The main forms of human activity in the TFBR are forestry, tourism, and recreation, as well as wood Resources 2022, 11, 13 4 of 29 The TFBR covers an area of 22 communes, belonging to four counties in two voivode- ships: Kuyavian-Pomeranian (13 communes) and Pomeranian (9 communes). The main forms of human activity in the TFBR are forestry, tourism, and recreation, as well as wood processing, fishery, and agriculture [43]. In 2018, an update of the borders of the TFBR was proposed, assuming the extension of the existing reserve, which entailed the acquisition of some parts of the neighboring administrative, as well as physical and geographical units [44]. Currently, the work is still in progress on this update. The area of TFBR has been regularly affected by extreme weather conditions in recent years, including whirlwinds. In 2012, a whirlwind, which was passing through a corridor between 300 and 800 m wide, caused the complete destruction of approximately 550 hectares of forest. In 2017, another whirlwind resulted in the devastation of around 1000 hectares of forest. Finally, in 2021, a whirlwind destroyed about 1000 hectares of forest [45,46]. According to geographical regionalization [47,48], TFBR is situated within the province of the Central European Plain, sub-province of Southern Baltic Lakelands, and two physical and geographical macro-regions, i.e., the Southern-Pomeranian Lakeland (99.3% of the study area) and Eastern-Pomeranian Lakeland (0.7% of the study area). Within them, 8 physical and geographical mesoregions and 32 micro-regions can be distinguished. The largest mesoregion, the Tuchola Forest, occupies 56% of the area of the TFBR. In terms of the area, it is followed by other mesoregions, such as Swiecie Upland, Charzykowska Plain, Northern Krajna Lakeland, the Brda River Valley, Kashubian Lake District, and Starogard Lakeland [47]. In terms of type of sediments, these areas within the maximum extent of the Fennoscandian Ice Sheet during the Last Glaciation belong to outwash plains with lakes (for example, the micro-regions of the Brda Outwash and the Wda Outwash Plains) and young glacial moraine plateaux (for instance, the micro-region of Brusy-Karsin-Czersk Upland), criss-crossed by valleys discharging glaciofluvial water from outwash plains (for example, the micro-region of the Brda River Valley). The study area is characterized by lowland and lakeland landscapes, as well as the diversity concerning altitudes above sea level (from approximately 66.5 m above sea level in the southern part up to 206.2 m above sea level in the northern part [4]). 2.1. Biodiversity In the area of the TFBR, there occurs a range of natural systems marked on the Natura 2000 list of conservation objectives as priority ecological systems. They include, among others, moorlands, mid-forest lobelia lakes, and dystrophic lakes with charophyte grassland, as well as peat bogs of the Atlantic type and deciduous forests [4,43]. They are inhabited by numerous rare, relict, and protected species of vascular and sporulated plants and fungi, as well as by vertebrate and invertebrate animals, including representatives of endangered species [4,43]. Almost the entire study area, with the exception of moraine hills, is covered with one of the largest pine forests in Poland [49]. The forest area is composed mainly of pine monoculture, with a small mixture of the common white birch, aspen, and pedunculate oak [50]. The lower parts of the forest are most commonly overgrown with European rowan and juniper, whereas the forest floor consists of moss, as well as many species of berries and heather [3]. The crust vegetation of the Tuchola Forest, in the present form, constitutes the remains of the former Tuchola Primeval Forest, overgrown predominantly by beech and pine, which were accompanied by larger patches of forest, consisting of other deciduous trees, such as oak, hornbeam, aspen, or lime. Forest communities began to grow in these areas soon after the end of the Weichselian glaciation. Initially, they constituted birch and pine forest complexes. Over the years, natural factors, which later combined with anthropogenic factors, led to a significant restructuring of the primary forest ecosystems. As the climate was getting warmer, pine was gradually replaced by such species as lime or oak [1,51]. Along with the emergence of human settlement, the process of the gradual degradation of forest flora began. It suddenly accelerated, together with the development of industry. Today’s forest structure is shaped by middle-aged stands coming from planting, whereas Resources 2022, 11, 13 5 of 29 specimens that are over a century old are rather uncommon [51]. The area of the TFBR is distinguishable from neighboring areas by virtue of the fact that a great number of rare and endangered species, as well as relicts, can be found [3]. Primeval forest ecosystems currently occupy rather small areas and are under strict protection. Among them one can find the yew reserve by Mukrz Lake or the primary deciduous forest reserve with the wild service tree stands in the vicinity of Tlen ´ [50]. Currently, the most common forest type is the fresh coniferous forest, which overgrows podzolic soils on sands of outwash plains. In addition to natural forest sites, essential elements of the Tuchola Forest flora are concentrations of bog and peat vegetation, as well as diverse flora of lichens, which has around 300 species [1–3]. 2.2. Geology and Geomorphology According to geological regionalization of Poland, without the Cenozoic cover, the area of the area of TFBR belongs to the Koscierzyna ´ Segment of the Koscierzyna-Puławy ´ Syncli- norium and the Pomeranian Segment of the Mid-Polish Anticlinorium [52]. The Cenozoic sediments in the study area reach a thickness of approximately 200 m. The Paleogene and Neogene sediments are represented by mudstones, sands, and limestones, as well as clays and silts, with some interbedding of lignites (brown coals) [53,54]. During the Pleistocene, the Fennoscandian Ice Sheet repeatedly expanded in the study area. The present relief of the TFBR was shaped during the Last Glaciation (Weichselian glaciation or Vistulian). Its main elements include sandy glaciofluvial outwash plains, which developed in front of the Ice Sheet during the Pomeranian phase of the Weichselian glaciation (Figure 2). In the area of the TFBR, two main outwash plains connected with the drainage basins of the Wda and Brda Rivers (Figure 2). The outwash plains are diversified by numerous kettle-holes, scattered over the entire study area, e.g., [55,56], as well tunnel valleys (subglacial valleys), Holocene river valleys predominantly running from the north-west to the south-east, and aeolian forms—dunes (currently covered by vegetation). The two biggest concentrations of the latter occur on the eastern and western sides of Charzykowskie Lake (Figure 2), as well as in the central part of the study area, between the Czerska Struga and the Bielska Struga Rivers. The depth of the tunnel valleys reaches between 20 and 30 m, whereas their width oscillates between 200 and 2600 m [4]. Within the area of the TFBR, the biggest tunnel valleys run in the approximately longitudinal form. They include the Byszewo tunnel valley, which is 2.3 km wide and 55 km long [57], and the Charzykowskie Lake tunnel valley, which is several hundred meters wide and over 20 km long. Other commonly encountered landforms include end moraines composed of clays, silts, sands, and gravels with boulders (Figure 2). They are mainly located in the western part of the study area, to the south-west of Charzykowskie Lake. Moreover, a significant part of the study area is occupied by the moraine plateaux (moraine uplands), composed of clays formed during the Poznan ´ phase of the Weichselian glaciation. The Holocene sediments are represented by gyttjas, lacustrine chalk, peats, and aggradate muds, as well as clays, sands, and gravels, filling the beds of tunnel valleys, river valleys, and kettle holes (Figure 2). Resources 2022, 11, x FOR PEER REVIEW 6 of 31 Resources 2022, 11, 13 6 of 29 Figure 2. Geological map of the study area (after geological map of Poland, in scale 1:500,000 [58]; Figure 2. Geological map of the study area (after geological map of Poland, in scale 1:500,000 [58]; changed) and location of geosites. Base layers: OpenStreetMap; digital elevation model—geopor- changed) and location of geosites. Base layers: OpenStreetMap; digital elevation model—www. tal.gov.pl (accessed on 20 January 2022). geoportal.gov.pl (accessed on 20 December 2021). 3. Materials and Methods 3. Materials and Methods In order to conduct the assessment of the current visual condition of geosites and In order to conduct the assessment of the current visual condition of geosites and touri tourist st dev development elopment of of thei theirr surroundings, surroundings, aafield field inspection inspection h hasa been s been c carried arrie out d out andand pho- photogra tographic phic documenta documentation tion ha has been s been provi provided ded. The . Th geosites e geosites in t in the Th uchola e Tuchola Forest Bio- Forest Biosphere Reserve (TFBR) have been identified on the basis of in-house and field studies, carried sphere Reserve (TFBR) have been identified on the basis of in-house and field studies, carr out ied out involving involving t the Central he CeGeosites ntral Geos Register ites Regof ister o the fPolish the Poli Geological sh Geologic Institute–National al Institute–Na- Research Institute (PGI-NRI) [59]. A detailed analysis of historical archives, such as tourist tional Research Institute (PGI-NRI) [59]. A detailed analysis of historical archives, such as maps, guidebooks of different regions, local magazines, and Internet resources, has been tourist maps, guidebooks of different regions, local magazines, and Internet resources, has Resources 2022, 11, 13 7 of 29 conducted. The locations of the 23 geosites that have been evaluated in this study come from the Central Geosites Register of PGI-NRI [59], whereas 9 geosites have been proposed by the authors of the article on the basis of the remaining sources (tourist maps, guidebooks of different regions, local magazines, and Internet resources). The natural objects presented in this study constitute a representative selection, including geosites, typically taking into consideration the geological history of the region, as well as unique specimens or forms. The geotourist evaluation of the geosites in TFBR has been conducted on the basis of the criteria proposed by Dmytrowski and Kicinska ´ [60], with modifications by the authors (Table 1). There are 5 basic values and 19 assessment criteria that have been selected. The basic values are as follows: I—intrinsic value of the site, II—positioning value of the site, III—cultural value of the site, IV—scope of information on the site and its availability, and V—tourist development of the site (Table 1). The necessity to modify the geotourist evaluation criteria, by the authors of the study, has resulted from the need to adjust them to the lowland character of the TFBR, since the majority of publications, concerning geotourist evaluations, involve upland and mountain areas, e.g., [29–31,33–35,61]. The changes had content-related character. The value (I) indicates the several criteria inappropriate to the study area, which have been rejected, such as: the occurrence of peculiar geological structures (for instance, sedimentary, erosional, or tectonic), as well as the occurrence of petrographic and mineralogical peculiarities in the rocks. In view of the inability to carry out the detailed geological studies and the lack of available data, this criterion can only be treated as complementary criteria [62]. However, the educational value of the geosites has been taken into account by adding the criterion of thematic differentiation [32]. Another change has been introduced to the criterion concerning the positioning value of the site (II), in relation to tourism centers or destinations. The threshold distance of 5 km has been extended to 10 km, after taking into account the lowland nature of the terrain relief and possibility of visiting the geosites within the framework of cycling tourism, which is not always possible in mountain areas. The cultural value (III) has been supplemented by a criterion concerning the connection of a geosite with religion, which constitutes an essential element of culture. Moreover, the criteria concerning the connection of a monument with history and local folklore or legends, which hitherto were considered separately, have been combined, in view of the difficulty of clear qualification of a given event as a historical fact or folklore tale. As far as an adequate evaluation of the criterion, concerning the scope of information on the site and its availability (IV) is concerned, it has required the separation of the availability of information in literature and the Internet. Finally, when it comes to the notion of tourist development of the site (V), the criterion concerning the assessment of the geotourist trail has been omitted, due to the fact that “no formal trail along which any geotourist attractions are located has been mapped out” [63] and no route concentrating on the values of inanimate nature sites that could perform the function of a geotourist trail. As a result of the conducted evaluation, two indicators have been obtained. The educational value (EV), calculated as a total sum of all partial assessments for the criteria from I to IV, determines the possibility of the educational use of geosites and necessity to establish or improve legal protection or geotourist development [60]. The geotourist attractiveness value (GA) is calculated as a total sum of the educational value (EV) and geotourist development. In terms of the educational value, geosites could score a minimum of 13 points and maximum of 42 points, whereas, in terms of geotourist attractiveness, they could score 16 and 51 points, respectively. On the basis of the adopted classification, a table has been created that enables the attribution of generalized descriptive assessments (from “low” through “average” to “high”) to a numeric value within a specific score range (Table 2). Map presentations have been made by means of the ArcGIS software. A digital terrain model has been created, on the basis of data made available by the Central Surveying and Cartographic Documentation Centre, Poland. Resources 2022, 11, 13 8 of 29 Table 1. Basic values, assessment criteria, and scores of geotourist evaluation of the geosites in Tuchola Forest Biosphere Reserve, on the basis of Dmytrowski and Kicinska ´ [60], with modifications by the authors. No. Criterion High Score (3 Points) Medium Score (2 Points) Low Score (1 Point) I—intrinsic value of the site significance of the site, in the context of high medium low I/a geology and geomorphology of the the site well describes the formation of the the site partially describes the formation the site of little or no significance to the region (the rank of the site) region and all the processes happening of the region formation of the region high medium low geological and geomorphological value of I/b complex structure or very well visible partly visible monothematic structure or poorly visible or invisible geological or the site geological or geomorphological processes geomorphology geomorphological structure low high medium the site in a very bad condition, virtually I/c condition of the site the site in a very good condition, not the site partly overgrown with vegetation invisible, due to being totally overgrown overgrown with vegetation or littered or partly littered with vegetation or extremely littered the size of the site (relevant to the type of high medium low I/d the site) outstanding in terms of size of average size rather insignificant in terms of size low high medium the site indistinguishable from the I/e esthetic qualities of the site the site located in excellent visibility with the site only partially visible with its surrounding scenery, not drawing its structure drawing attention structure of rather average attractiveness any attention high medium low I/f uniqueness of the site the site is the only example occurring in the site is one of few specimens of this the site is one of many specimens of this the region type in the region type in the region high medium low I/g thematic variations of the sites the site represents more than the site represents between 2 and the site represents less than 2 themes 3 different themes 3 different themes II—the positioning value of the site good average bad location in relation to main II/a location of the site within 1 km from a location of the site within 1–3 km from a location of the site within a distance longer communication routes communication route with a parking communication route than 3 km from a communication route good average bad location in relation to main tourist trails II/b location of the site within 0–10 m from a location of the site within 10–200 m from location of the site within a distance longer (cycling, walking, and others) tourist trail a tourist trail than 200 m from a tourist trail Resources 2022, 11, 13 9 of 29 Table 1. Cont. No. Criterion High Score (3 Points) Medium Score (2 Points) Low Score (1 Point) good average bad II/c location in relation to main tourist centers location of the site on the premises of a location of the site within 10 km from a location of the site within a distance longer tourist centre or on its periphery tourist centre than 10 km from a tourist centre low average high II/d degree of difficulty during sightseeing easy access and sightseeing, no specialist occasional difficulty during sightseeing difficult access, harsh terrain, or equipment needed and steeper climbs considerably overgrown with vegetation III—the cultural value of the site scoring system: answer “yes”—1 point, answer “no”—0 points. III/a connection of the site with mining the site is directly connected with previous or present mineral resource exploitation III/b connection of the site with religion the site is connected with previous or present religious cult or activity III/c connection of the site with history the site is connected with a historical event or a local folk tale, it constitutes an element of the history of a region IV—scope of information on the site and its availability good average bad availability and accessibility of IV/a many specialist and popular science few specialist publications or research only basic information in scientific information on the site in literature publications, as well as research articles on the site literature and lack of detailed publications good average availability and accessibility of bad IV/b comprehensive and sufficient amount of small amount of information on the site information on the site on the Internet total lack of information on the site information on the site on the Internet V—tourist development of the site good average bad administration and management of V/a the site is properly managed and the site is available to tourism, with the site is unavailable to tourism, the owner the site available to tourism certain limitations is not interested in improving its accessibility bad presence of an information board with good average content that is unintelligible V/b information board at the site presence of an information board that presence of an information board that the information board is damaged or briefly and clearly describes the site rather unclearly describes the site destroyed or a lack of any information board good average bad V/c accompanying development presence of benches and rubbish bins presence of incomplete accompanying total lack of accompanying development in within a suitable distance from the site development the immediate vicinity of the site Resources 2022, 11, 13 10 of 29 Table 2. Assessments and score ranges for specific geotourist evaluation results, on the basis of Dmytrowski and Kicinska ´ [60], with amendments. High Score Medium Score Low Score Value Over 70% 40–69% Below 40% Intrinsic value of the site >15 15–8 <8 (I = I/a + I/b + I/c + I/d + I/e + I/f + I/g) Positioning value of the site >8 8–5 <5 (II = II/a + II/b + II/c + II/d) Cultural value of the site 3 2 1–0 (III = III/a + III/b + III/c) Scope of information on the site and its availability >4 4–2 <2 Educational value (EV) >29 29–17 <17 (EV = I + II + III + IV) Tourist development of the site >6 6–4 <4 (V = V/a + V/b + V/c) Geotourist attractiveness (GA) >35 35–21 <21 (GA = EV + V) 4. Results and Discussion The results of the geosite evaluation in the area of the Tuchola Forest Biosphere Reserve (TFBR) are presented in Table 3, in the form of a map diagram (Figure 3). The selected geosites represent the typical features of the Tuchola Forest as a young glacial landscape and typical values, which prove the uniqueness of this natural site at the regional or international level. Among the evaluated geosites, natural and cultural objects that depict the relationship between man and the natural environment can be found. Since there are various kinds of geosites, they have been allocated to one of the different thematic groups, including such subjects as: mineral deposits occurrence, petrology, sedimentology, and geomorphology, as well as hydrology and hydrogeology (Table 3, Figures 1–3). Geosites have been categorized according to type, which has been determined on the basis of particular dominant features represented by the site. The petrological sites include erratic boulders (9 geosites), erratic boulders in the form of megalithic structures (2), and boulder areas (1). The sedimentological sites are represented by natural exposures (2), while the mineral deposits occurrence site by exposure of lignite-bearing sediments (1). The geomorphological sites consist of the following types: glaciofluvial landforms (3), post- glacial landforms (2), and viewing points, providing a view of the particular landforms (3). The hydrological and hydrogeological geosites are represented by lakes (5), peat bogs (2), and springs (1). The list of the selected geosites, along with their division, in terms of type and theme of the site, has been presented in Table 4. Every single geosite is accompanied by a special geosite documentation card (GDC). A sample card, translated from Polish language, has been presented in Figure 4. 4.1. The Diversity of the Types of Geosites in the Tuchola Forest Biosphere Reserve—Case Studies 4.1.1. Mineral Deposits Occurrence Mineral deposits occurrence geosite is represented by exposure of lignite-bearing sediments in the disused underground lignite mine “Montania” in Piła-Młyn (no. 1; 45 points of Geotourist attractiveness (GA)—Tables 3 and 4; Figures 4 and 5A–F). Resources 2022, 11, 13 11 of 29 Table 3. Results of geotourist evaluation of the Tuchola Forest Biosphere Reserve. The evaluation of the geosite called “Płociczno erratic boulder (Devil’s Stone)” has been made both for the state before the 2017 whirlwind (6) and its state afterwards (marked with italics, 6a). EV—Educational Value, GA—Geotourist attractiveness. Geosites representing one group are marked with background grey or white color. Results of the Geotourist Evaluation Final Score No. I/a I/b I/c I/d I/e I/f I/g II/a II/b II/c II/d III/a III/b III/c IV/a IV/b V/a V/b V/c EV (EV = I + II + III + IV) GA (GA = EV + V) 1. 2 3 3 2 3 3 2 3 3 2 3 1 0 1 3 3 3 3 2 37 45 2. 3 2 3 3 3 3 2 3 3 1 3 0 1 1 2 3 3 1 3 36 43 3. 2 2 2 3 3 2 2 3 3 1 3 0 1 1 3 3 2 3 3 34 42 4. 2 2 3 3 3 2 2 3 1 1 3 0 1 1 3 3 3 3 2 33 41 5. 3 2 3 2 2 2 2 2 3 2 3 0 0 0 2 3 3 2 1 31 37 6. 3 2 3 1 2 1 2 3 3 2 3 0 0 1 1 2 3 1 1 29 34 6a. 3 2 1 1 1 1 2 3 1 2 2 0 0 1 1 2 1 1 1 23 26 7. 3 2 3 1 2 1 2 3 3 1 3 0 0 0 1 2 3 1 2 27 33 8. 3 2 3 1 2 1 2 2 3 2 2 0 0 0 1 2 3 2 1 26 33 9. 3 2 2 2 3 1 2 3 3 3 1 0 0 0 1 2 2 1 1 28 32 10. 3 2 2 1 2 1 2 2 3 2 3 0 0 0 1 2 2 2 1 26 31 11. 3 2 1 1 2 1 2 3 3 1 1 0 0 1 1 2 2 1 1 24 28 12. 3 2 1 1 1 1 2 3 2 1 1 0 0 1 2 3 2 1 1 24 28 13. 3 2 1 1 1 1 2 3 1 2 2 0 0 0 1 2 2 1 1 22 26 14. 3 3 2 2 2 2 1 2 3 1 3 1 0 0 3 2 3 2 2 31 38 15. 3 3 1 1 2 3 2 3 2 2 2 0 0 0 2 2 2 1 1 28 32 mineral resource Type of the sedimentological petrological occurrence Geosite Resources 2022, 11, 13 12 of 29 Table 3. Cont. Results of the Geotourist Evaluation Final Score No. I/a I/b I/c I/d I/e I/f I/g II/a II/b II/c II/d III/a III/b III/c IV/a IV/b V/a V/b V/c EV (EV = I + II + III + IV) GA (GA = EV + V) 16. 3 2 3 3 3 2 2 3 3 3 3 0 0 0 2 3 3 3 3 35 44 17. 3 2 2 2 2 3 2 3 2 1 3 0 1 1 3 2 3 2 3 32 40 18. 3 3 2 2 3 2 2 2 3 1 2 1 0 0 2 3 3 3 2 31 39 19. 3 3 3 2 3 1 2 3 1 2 3 0 0 0 2 3 3 3 2 31 39 20. 3 2 3 1 3 2 1 3 3 2 2 0 0 0 1 1 3 3 3 27 36 21. 3 3 2 2 3 2 2 2 2 2 2 0 0 0 2 2 2 2 1 29 34 22. 2 2 3 1 3 1 1 3 3 1 3 0 0 0 1 2 3 2 2 26 33 23. 3 3 2 3 1 1 1 3 1 1 3 0 0 0 2 2 2 1 1 26 30 24. 2 3 2 2 1 1 1 3 1 2 2 1 0 0 2 1 1 1 1 24 27 25. 3 2 2 3 3 1 2 3 3 3 3 0 0 0 3 3 3 2 3 34 42 26. 3 3 3 2 3 1 2 2 2 2 3 0 0 0 2 3 3 3 3 31 40 27. 2 2 3 2 3 2 2 2 2 2 3 1 0 0 2 2 3 3 2 30 38 28. 3 2 2 2 2 1 2 3 2 1 3 0 0 0 2 2 2 1 2 27 32 29. 3 2 2 1 2 1 2 2 1 2 3 0 0 0 2 2 2 2 1 25 30 30. 2 2 2 1 3 2 1 1 1 1 3 0 0 0 2 2 2 2 1 23 28 31. 3 2 1 1 2 1 2 3 1 2 1 0 0 0 1 2 2 1 1 22 26 32. 2 2 1 1 2 2 2 1 2 2 2 0 0 0 1 2 2 1 1 22 26 hydrological and Type of the geomorphological hydrogeological Geosite Resources 2022, 11, 13 13 of 29 Table 4. List of selected geosites that have undergone geotourist evaluation. The names of geosites included in the Central Geosites Register of Poland by Polish Geological Institute-National Research Institute have been bolded. The evaluation of the geosite called “Płociczno erratic boulder (Devil’s Stone)” has been made both for the state before the 2017 whirlwind (6) and its state afterwards (marked with italics, 6a). EV—Educational Value, GA—Geotourist attractiveness. Geosites representing one group are marked with background grey or white color. No. Type of the Geosite Form Name of Geosites EV GA 1. mineral deposits occu rrence exposure of lignite-bearing sediments disused underground lignite mine “Montania” 37 45 2. petrological erratic boulder St. Wojciech’s (St. Adalbert’s) Stone 36 43 3. petrological megalithic structure stone circles in Odry 34 42 4. petrological megalithic structure stone circles in Lesno ´ 33 41 5. petrological boulder area Piekiełko boulder area 31 37 6. Płociczno erratic boulder (Devil’s Stone) 29 34 petrological erratic boulder 6a. evaluation after the 2017 whirlwind 23 26 7. petrological erratic boulder erratic boulder in the village of Zur 27 33 8. petrological erratic boulder erratic boulder in the village of Małe Swornegacie 26 32 9. petrological erratic boulder erratic boulder in the township of Tlen ´ 28 32 10. petrological erratic boulder erratic boulder at the Wzgórze Wolnos ´c ´ 26 31 11. petrological erratic boulder Jagiello’s Stone 24 28 12. petrological erratic boulder Napoleon’s Stone 24 28 13. petrological erratic boulder erratic boulder in the village of Chocinski ´ Młyn 22 26 14. sedimentological natural exposure lacustrine chalk in the Kulawa River Valley 31 38 15. sedimentological natural exposure Bozepole Szlacheckie—Late Glacial fossil lake 28 32 16. geomorphological viewing point Wdzydzkie Lakes Cross 35 44 17. geomorphological postglacial landform Wierzchlas Reserve 32 40 18. geomorphological glaciofluvial landform the Kulawa River Valley 31 39 19. geomorphological postglacial landform Kozie Lakes 31 39 20. geomorphological viewing point viewing point near Ła˛zek 27 36 21. geomorphological glaciofluvial landform the Ryszka River Valley 29 34 22. geomorphological viewing point viewing point over the Brda River Valley in Gołabek ˛ 26 33 23. geomorphological glaciofluvial landform tunnel valley in the vicinity of Wiecko 26 30 24. geomorphological viewing point moraine plateau in the vicinity of Zamek Kiszewski 24 27 Resources 2022, 11, 13 14 of 29 Table 4. Cont. No. Type of the Geosite Form Name of Geosites EV GA hydrological 25. lake Charzykowskie Lake 34 42 and hydrogeological hydrological 26. lake Wielkie Gacno Lake 31 40 and hydrogeological hydrological 27. peatbog basin peatbog at Kacze Oko Lake 30 38 and hydrogeological hydrological 28. lake Mukrz Lake 27 32 and hydrogeological hydrological 29. lake Martwe Lake 25 30 and hydrogeological hydrological 30. springs the Sta˛zka River springs 23 28 and hydrogeological hydrological 31. lake Zdreczno ˛ Lake 22 26 and hydrogeological hydrological 32. peatbog Czysciewnica ´ spring peatbog 22 26 and hydrogeological Resources 2022, 11, x FOR PEER REVIEW 13 of 31 Geosites have been categorized according to type, which has been determined on the basis of particular dominant features represented by the site. The petrological sites include erratic boulders (9 geosites), erratic boulders in the form of megalithic structures (2), and boulder areas (1). The sedimentological sites are represented by natural exposures (2), while the mineral deposits occurrence site by exposure of lignite-bearing sediments (1). The geomorphological sites consist of the following types: glaciofluvial landforms (3), postglacial landforms (2), and viewing points, providing a view of the particular land- forms (3). The hydrological and hydrogeological geosites are represented by lakes (5), peat Resources 2022, 11, 13 15 of 29 bogs (2), and springs (1). The list of the selected geosites, along with their division, in terms of type and theme of the site, has been presented in Table 4. Figure 3. Map diagram showing the spatial diversification of geosites in the area of the Tuchola Figure 3. Map diagram showing the spatial diversification of geosites in the area of the Tuchola Forest Biosphere Reserve. Forest Biosphere Reserve. The Every sing lignite deposits le geosite occur is acc within ompanied the Miocene by a speci sediments, al geosite which document were atsever ion ca ely rd (G dis- DC). torted glaciotectonically, covered with the Pleistocene sediments. The thickness of the A sample card, translated from Polish language, has been presented in Figure 4. deposits ranges from several to more than a dozen meters. The deposits were discovered in the middle of the 19th century, as a result of the natural exposure of layers with lignite in the aftermath of river erosion processes in the Brda River Valley. At the beginning of the 20th century, two lignite mines, called Buko and Olga, whose shafts reached a depth of 50 m, were established and started their operations. Between 1900 and 1910, the average annual production of lignite reached 10,000 tons [64]. The site is one of the few occurrences of lignite at shallow depths in northern Poland. The mine is a unique monument of lignite mining in Poland, where the extraction of lignite is carried out using mainly open pit methods. The exploitation of the deposits was terminated in 1939, at a depth of 80 m below ground level. A relatively low depth of lignite extraction, the method of conducting mining operations, as well as low levels of strength of overhanging rocks, contributes to the occurrence of sinkholes, in the form of ditches and craters reaching 3 m in depth, which are firmly established in the terrain relief (Figure 4) [64]. The site is currently de- veloped as a “Mining Village”, which, apart from visiting the shafts or examining mining equipment or interactive models, offers the organization of thematic events connected with the mining tradition of the site (Figure 5A–F). The development of the site has been continuously improving for a few years, whereby the geosite demonstrates an increasing Resources 2022, 11, x FOR PEER REVIEW 16 of 31 Resources 2022, 11, 13 16 of 29 4.1. The Diversity of the Types of Geosites in the Tuchola Forest Biosphere Reserve—Case Studies attractiveness to tourism and is of supra-regional importance. The remains of the former 4.1.1. Mineral Deposits Occurrence lignite mine “Montania” in Piła-Młyn, as a result of the evaluation process, has been given Mineral deposits occurrence geosite is represented by exposure of lignite-bearing the highest score for its geotourist attractiveness (45 points; Table 3), which consists of high educational value (37 points), as well as a high level of geotourist development (8 points) sediments in the disused underground lignite mine “Montania” in Piła-Młyn (no. 1; 45 (Tables 3 and 4). points of Geotourist attractiveness (GA)—Tables 3 and 4; Figures 4 and 5A–F). Figure 4. A sample geosite documentation card of a disused underground lignite mine “Montania” Figure 4. A sample geosite documentation card of a disused underground lignite mine “Montania” in Piła-Młyn, no. 1—the geosite with the highest score, in terms of geotourist attractiveness, in the in Piła-Młyn, no. 1—the geosite with the highest score, in terms of geotourist attractiveness, in the area of the Tuchola Forest Biosphere Reserve (photo by: W. Wysocki and A. Krawiec). area of the Tuchola Forest Biosphere Reserve (photo by: W. Wysocki and A. Krawiec). Resources 2022, 11, x FOR PEER REVIEW 17 of 31 The lignite deposits occur within the Miocene sediments, which were severely dis- torted glaciotectonically, covered with the Pleistocene sediments. The thickness of the de- posits ranges from several to more than a dozen meters. The deposits were discovered in the middle of the 19th century, as a result of the natural exposure of layers with lignite in the aftermath of river erosion processes in the Brda River Valley. At the beginning of the 20th century, two lignite mines, called Buko and Olga, whose shafts reached a depth of 50 m, were established and started their operations. Between 1900 and 1910, the average an- nual production of lignite reached 10,000 tons [64]. The site is one of the few occurrences of lignite at shallow depths in northern Poland. The mine is a unique monument of lignite mining in Poland, where the extraction of lignite is carried out using mainly open pit methods. The exploitation of the deposits was terminated in 1939, at a depth of 80 m below ground level. A relatively low depth of lignite extraction, the method of conducting mining oper- ations, as well as low levels of strength of overhanging rocks, contributes to the occurrence of sinkholes, in the form of ditches and craters reaching 3 m in depth, which are firmly established in the terrain relief (Figure 4) [64]. The site is currently developed as a “Mining Village”, which, apart from visiting the shafts or examining mining equipment or interac- tive models, offers the organization of thematic events connected with the mining tradi- tion of the site (Figure 5A–F). The development of the site has been continuously improv- ing for a few years, whereby the geosite demonstrates an increasing attractiveness to tour- ism and is of supra-regional importance. The remains of the former lignite mine “Mon- tania” in Piła-Młyn, as a result of the evaluation process, has been given the highest score for its geotourist attractiveness (45 points; Table 3), which consists of high educational Resources 2022, 11, 13 17 of 29 value (37 points), as well as a high level of geotourist development (8 points) (Tables 3 and 4). Figure 5. The disused lignite mine “Montania” in Piła-Młyn, no. 1—the geosite with the highest Figure 5. The disused lignite mine “Montania” in Piła-Młyn, no. 1—the geosite with the highest score, score, in terms of geotourist attractiveness in the area of the Tuchola Forest Biosphere Reserve. (A) in terms of geotourist attractiveness in the area of the Tuchola Forest Biosphere Reserve. (A) entrance entrance to the old shaft and old mining equipment; (B) original entrance to the shaft; (C) exhibition to the old shaft and old mining equipment; (B) original entrance to the shaft; (C) exhibition of of renovated mining equipment; (D) entrance to the “Mining Village”; (E) example of information renovated mining equipment; (D) entrance to the “Mining Village”; (E) example of information boards installed in the “Mining Village”; (F) interactive model of the former mining town (photo boards installed in the “Mining Village”; (F) interactive model of the former mining town (photo by: by: A. Krawiec and S. Belzyt). A. Krawiec and S. Belzyt). 4.1.2. Petrological Geosites 4.1.2. Petrological Geosites The petrological geosites are represented by erratic boulders (9 geosites), erratic boul- The petrological geosites are represented by erratic boulders (9 geosites), erratic ders in the form of megalithic structures, and a boulder area (1) (Figure 6A–G). The high- boulders in the form of megalithic structures, and a boulder area (1) (Figure 6A–G). The est score belongs to the geosite that is typical for the physiography of the Tuchola Forest, highest score belongs to the geosite that is typical for the physiography of the Tuchola Forest, namely the erratic boulder called St. Wojciech’s (St. Adalbert’s) Stone, also commonly referred to as the Devil’s Stone (no. 2; 43 points—Tables 3 and 4; Figure 6A,B). It is the largest erratic boulder in Pomerania and one of the largest in Poland. Its circumference measures 24.5 m, and its height reaches more than 3 m (Figure 6A). It is pink and grey medium-crystalline granite (Figure 6B). The geosite is located on one of the Wda River terraces, approximately one kilometer away from its today’s valley (Figures 1 and 2). The history of the boulder includes numerous local folktales, according to which the stone used to be a pagan sacrificial altar or was used by the devil to barricade the river, whereas St. Wojciech (St. Adalbert) used to preach his sermons from this stone during his pilgrimage to the land of the pagan Prussians. In the vicinity of the geosite, there is a car park and several benches designed for tourists. In spite of the supra-regional importance of the geosites, resulting from the sheer size of the boulder, there is no information board at the site. As a result of the evaluation process, the St. Wojciech’s (St. Adalbert’s) Stone has scored 42 points, which proves its high intrinsic value, as well as high geotourist development (Table 3). The most highly assessed geosite belonging to the group of megalithic structures is the stone circle complex in Odry (no. 3; 42 points—Tables 3 and 4), which is situated in the northern part of the study area on the Wda River bank (Figures 1 and 2). Within the boundaries of a reserve, which was established in 1958 and covers an area of 0.17 km , there are stone barrows and circles made of erratic boulders of Scandinavian origin (Figure 6E,F). They include different kinds of granitoids and gneisses, as well as quartzites. Apart from the petrological value, the area of the reserve has quite a remarkable cultural and botanical value. The site documents the development of cultural heritage, showing traces of early human activity—a unique cemetery of the Goths, originating from between the first and Resources 2022, 11, 13 18 of 29 the third century AD. As a result of the examination of the lichen flora, on the surfaces of the boulders, approximately 80 species of lichens, including many typically mountainous Resources 2022, 11, x FOR PEER REVIEW 19 of 31 and unique lichens, on a national scale have been identified [65]. In the area of the reserve, there are numerous information boards and a viewing terrace. Figure 6. Examples of geosites typical for young glacial landscape. Petrological geosites: (A,B) St. Figure 6. Examples of geosites typical for young glacial landscape. Petrological geosites: (A,B) St. Wojciech’s (St. Adalbert’s) Stone, no. 2; (C) erratic boulder in the village of Żur, no. 7; (D) erratic Wojciech’s (St. Adalbert’s) Stone, no. 2; (C) erratic boulder in the village of Zur, no. 7; (D) erratic boulder at the Wzgórze Wolność, no. 10; (E,F) erratic boulders in stone circle reserve in Odry, ar- boulder at the Wzgórze Wolnos ´c, ´ no. 10; (E,F) erratic boulders in stone circle reserve in Odry, ranged in stone circles (megalithic structure), no. 3; (G) Piekiełko boulder area—erratic boulders arranged in stone circles (megalithic structure), no. 3; (G) Piekiełko boulder area—erratic boulders located along the riverbank in the river gap section of the Brda River, no. 5; sedimentological geosite: located along the riverbank in the river gap section of the Brda River, no. 5; sedimentological geosite: (H) natural exposure of Late Glacial fossil lake in Bożepole Szlacheckie, no. 15 (photo by: A. Krawiec, (H) natural exposure of Late Glacial fossil lake in Bozepole ˙ Szlacheckie, no. 15 (photo by: A. Krawiec, W. Wysocki and S. Belzyt). W. Wysocki and S. Belzyt). 4.1.3. Sedimentological Geosites 4.1.3. Sedimentological Geosites Sedimentological geosites are represented by two natural exposures. The first one— Sedimentological geosites are represented by two natural exposures. The first one— lacustrine chalk in the Kulawa River Valley geosite (no. 14; 38 points—Tables 3 and 4) lacustrine chalk in the Kulawa River Valley geosite (no. 14; 38 points—Tables 3 and 4) exposes layers and/or intercalations of lacustrine chalk of the late Pleistocene/Holocene exposes layers and/or intercalations of lacustrine chalk of the late Pleistocene/Holocene age, underlain by detritus gyttja. The site locally shows traces of mineral exploitation. The age, underlain by detritus gyttja. The site locally shows traces of mineral exploitation. The second sedimentological geosite is Bożepole Szlacheckie—late Glacial fossil lake (no. 15; second sedimentological geosite is Bozepole ˙ Szlacheckie—late Glacial fossil lake (no. 15; 32 points—Tables 3 and 4; Figure 6H). The exposed profile consists of sand, silt, and car- 32 points—Tables 3 and 4; Figure 6H). The exposed profile consists of sand, silt, and carbon- bonate sediments with lake fauna—ostracods and bivalves—that indicate the occurrence of a lake of increasing depth existing there in the period of late Glacial—early Holocene [59,66]. Resources 2022, 11, 13 19 of 29 ate sediments with lake fauna—ostracods and bivalves—that indicate the occurrence of a lake of increasing depth existing there in the period of late Glacial—early Holocene [59,66]. 4.1.4. Geomorphological Geosites In the area of the TFBR, there are numerous geosites that present a collection of well- developed landforms, typical of young glacial areas, cf. [37,57]. They include glaciofluvial landforms (e.g., meandering river valleys, oxbow lakes, slope scars in slopes of river valleys, tunnel valleys, and outwash plains), postglacial landforms (e.g., kettle holes, dead- ice moraines, kames, and kame terraces), and viewing points that provide access to them (Figure 7). As far as viewing points displaying terrain relief forms are concerned, the highest score has been given to the Wdzydzkie Lake Cross geosite (Wdzydze Lake observation tower) (no. 16; 44 points—Tables 3 and 4; Figure 7A–C), located in the main tourist resort of the northern part of the TFBR, called Wdzydze Kiszewskie (Figures 1 and 2). From the top of the tower (Figure 7A), at a height of 36 m, the “Wdzydzkie Lakes Cross”, commonly called by the local inhabitants “the Kashubian Sea”, can be seen (Figure 7B). It consists of two intersecting tunnel valleys, measuring 9 and 11 km in length, surrounded by the sands and gravels of the Koscierzyna ´ outwash plain. The first valley, running from the West to the East, is filled with water from Radolne and Gołun ´ Lakes, whereas the other one, running from the North to the South, is filled with water from Wdzydze and Jelenie Lakes (Figure 7B). With a depth of 72 m, Wdzydze Lake is the sixth deepest lake in Poland. The coastlines of these lakes are highly diversified (Figure 7B). There are 10 islands on these lakes that provide sanctuaries to rare and protected species of wetland birds, as well as habitats for numerous protected species of plants. The largest of them, called Ostrów Wielki, covers an area of 0.96 km and is 3 km long, which makes it the second largest lake island in Poland. The Kozłowiec Peninsula, which is a typical example of kame, is perfectly visible from the observation tower in the southern-westerly direction. The observation tower is situated by an asphalt paved road, as well as in the immediate vicinity of walking and cycling trails. There is a car park, catering, and recreation facilities, as well as numerous information boards, installed by the Wdzydzki Landscape Park authorities (e.g., Figure 7C). The geotourist attractiveness of this site has been assessed as high (44 points, Tables 3 and 4). Of all the evaluated postglacial landforms, the highest score belongs to the Wierzchlas Reserve geosite (no. 17; 40 points—Tables 3 and 4), which is located in the central part of the TFBR (Figures 1 and 2). The reserve is distinguished by its unique geomorphological and natural features—it is a cluster of many areal deglaciation forms, connected with the disintegration of the ice sheet into blocks and patches of ice, as well as the process of gradual melting [59]. The highest elevations are kame hills (e.g., Figure 7D), formed out of fine sands and silts, whereas lower hills constitute gravelly, sandy, and clayey dead-ice moraines surrounded by flat surfaces of kame terraces [67]. The largest kettle hole in the immediate neighborhood of the reserve is occupied by the vanishing Mukrz Lake. In the south-eastern part of the reserve, there is another smaller kettle hole, currently almost totally overgrown with peat vegetation (Figure 7E). The reserve constitutes an environmental peculiarity, due to the frequent occurrence of the yew tree (Taxus baccata) in the natural state, which is an extremely rare phenomenon. In 1827, the first nature reserve on the Polish ground was established in this area, called Ziesbusch (translated from German as “yew thickets”). This geosite is commonly associated with a well-known Polish painter Leon Wyczółkowski. The best-ranked example of glaciofluvial landforms is the Kulawa River Valley (no. 18; 39 points—Tables 3 and 4), located in the north-western part of the TFBR, within the boundaries of the Zaborski Landscape Park (Figures 1 and 2). The Kulawa River, which is a tributary to the Zbrzyca River, reaches 7 km in length and is characterized by an uneven slope, which results in the diversity of its erosive force, depending on the section of the river [68]. In the vicinity of Małe Głuche Lake, the river has created 10 meters’ of high undercuts, with a slope inclination exceeding 40 . The valley crosses an outwash plain, Resources 2022, 11, 13 20 of 29 formed by the sands and gravels of the Last Glaciation age. At the end of Pleistocene, water covered the valley up to several meters above the bottom of the river, gradually accumulating calcium carbonate, in the form of lacustrine chalk, which is exposed in some places. The Kulawa River Valley has a 5 kilometers’ long educational path, running along the bottom of a tunnel valley. The path crosses also anthropogenic meadows, which were created as a result of artificial drainage. There are nine information boards along this trail. 4.1.5. Hydrological and Hydrogeological Geosites Hydrological and hydrogeological geosites are represented by lakes (5), peatbogs (2), and a spring (1) (Figure 8). The most highly assessed representative of this category is Charzykowskie Lake (no. 25; 42 points—Tables 3 and 4), situated in the western part of the studied area (Figures 1 and 2). Charzykowskie Lake is a flow-through ribbon lake, having a characteristic longitudinally elongated shape (Figure 8A,B). It has an area of 13.64 km , which makes it the second largest lake in the Tuchola Forest. Its average depth reaches 9.8 m, whereas the maximum depth is 30.5 m [70]. The lake is characterized by grade II water purity. The genesis of the lake is connected with filling a tunnel valley with dead-ice blocks in the Late Weichselian period (approx. 15,000 years ago) [59], and then with the climate warming, causing the ice to melt. On the north-eastern shores of the lake, the height of which reaches 25 m, a viewing point has been located, which simultaneously is the location of the geosite (Figure 8A). In the nearest neighborhood, there is a very well-developed accommodation and catering base, which is tourist-oriented and focused on water-sports and recreation. The first sailing club in Poland was founded in the nearby village of Charzykowy in 1922. The basin peatbog Kacze Oko Lake is also remarkable for its high level of geotourist attractiveness (no. 27; 38 points—Tables 3 and 4). This site represents a group of basin bogs, which are characterized by a small area, which allows them to be perfectly preserved naturally or semi-naturally [71]. The dystrophic Kacze Oko Lake (Figure 8C), covering the area of 0.3 ha and with a maximum depth of 5.4 m, constitutes the water surface of a raised peatbog, which has created a complex of raised peat moss, together with Magellanic peat moss. A typical feature of this site is the accumulation of a several meter-deep layer of detritus gytia, reaching the mineral bedrock formations. The Kacze Oko peatbog has many traces of anthropogenic conversions. The sites bears signs of former exploitation of peat, in the form of resurgent peat trenches [71] (Figure 8E). The geosite has an educational trail, running along a wooden footpath, which enables sightseeing the area without any harm to the ecosystem (Figure 8D). 4.2. Discussion of Value and Spatial Diversification of Geosites in the Area of the Tuchola Forest Biosphere Reserve None of the evaluated geosites has received a low score (<21), in terms of geotourist attractiveness. The most attractive geotourist site is a mineral deposit occurrence geosite—a disused lignite mine, called “Montania” in Piła-Młyn—the score of which was 45 points. Apart from this geosite, high scores (between 36 and 44 points) have been received by 13 other geosites (4 petrological geosites, 1 sedimentological geosite, and 5 geomorpholog- ical geosites, as well as 3 hydrological and hydrogeological geosites). The highest rated geosites in each group were characterized in Section 4.1. The remaining 18 geosites have received a medium score (Tables 3 and 4). All the most highly assessed hydrological and hydrogeological geosites (Charzykowskie Lake, no. 25, 42 points; Wielkie Gacno Lake, no. 26, 40 points; and basin peatbog at Kacze Oko Lake, no. 27, 38 points) are concentrated in the area of the Zaborski Landscape Park, while the most highly assessed petrological and geomorphological sites are scattered around the entire TFRB area (Tables 3 and 4; Figure 3). As far as the most poorly evaluated geosites (<30 points) are concerned, these are mostly sites of the petrological (three geosites), as well as hydrological and hydrogeological (three geosites) types, which is mostly caused by their common occurrence (low level of unique- ness) and insufficient geotourist development (Tables 3 and 4). Moreover, the most poorly Resources 2022, 11, 13 21 of 29 evaluated geosites include one geomorphological site (morainic plateau in the vicinity of Zamek Kiszewski, no. 24, 27 points). Its score is mainly affected by low positioning and low cultural values of the site, as well as bad tourist development (Table 3). The main criteria causing such a large diversity of the geotourist attractiveness of petrological, as well as hydrological and hydrogeological, geosites are the: condition of the site (criterion I/c), size of the site (criterion I/d), esthetic qualities of the site (criterion I/e), uniqueness of the site (criterion I/f), presence or lack of the information board at the site (criterion V/b), and presence or lack of the accompanying equipment (criterion V/c, Table 1). The evaluation results have also been presented in a spatial form, by means of a map diagram (Figure 3). Such a method of presentation made it possible to indicate places of the highest level of geodiversity and point to those areas where the geosites with the highest score are situated. The evaluated geosites are scattered around the entire research area (Figures 1–3). On the whole, three places of high concentration of geosites can be distinguished, and they tend to overlap with the boundaries of landscape parks: the Tuchola Landscape, Wdecki Landscape, and Zaborski Landscape Parks, with the Tuchola Forest National Park. The areas of the greatest diversity of geosites are the Zaborski Landscape and Tuchola Landscape Parks (Figures 1 and 3). Their borders encompass four out of five types of geosites identified in this area. The Zaborski Landscape Park is the area of the greatest concentration of diverse and highly-ranked geosites. They include hydrological and hydrogeological geosites: the Charzykowskie Lake (no. 25; 42 points— Tables 3 and 4), Wielkie Gacno Lake (no. 26; 40 points), and basin peatbog at Kacze Oko Lake (no. 27, 38 points); petrological geosites: the stone circles in Lesno ´ (no. 4, 41 points), erratic boulder in the village of Małe Swornegacie (no. 8, 32 points), erratic boulder at Wzgórze Wolnos ´c ´ (no. 10, 31 points), anderratic boulder in the village of Chocinski ´ Młyn (no. 13, 26 points); geomorphological geosites: the Kulawa River Valley (no. 18, 39 points); and sedimentological geosites: natural exposure of lacustrine chalk in the Kulawa River Valley (no. 14, 38 points). The Tuchola Landscape Park includes the following types of geosites: mineral resources occurrence (an absolutely unique site in this part of Poland— exposures of lignite-bearing sediments in disused underground mine “Montania”, no. 1, 45 points), petrological (Piekiełko boulder area, no. 5, 37 points, and Jagiello’s Stone erratic boulder, no. 11), geomorphological (Kozie Lakes postglacial landform, no. 19, 39 points, and viewing point over the Brda River in Gołabek, ˛ no. 22, 33 points), as well as hydrological and hydrogeological (the Sta˛zka ˙ River springs, no. 30, 28 points, and Zdreczno ˛ lake, no. 31, 26 points). In the Wdecki Landscape Park, there is a large concentration of objects representing three different types of geosites in a relatively small area (petrological—erratic boulder in the township of Tlen, ´ no. 9, 32 points); geomorphological—the Ryszka River Valley, no. 21, 34 points; and hydrological and hydrogeological—Czysciewica ´ spring peatbog, no. 32, 26 points. However, these are geosites of medium geotourist attractiveness (between 27 and 34 points). Geosites with high intrinsic (>15) and educational value (>26), but low geotourist development value (<4), require improving their accessibility by installation of information boards, benches, and liter bins (criteria V/b and V/c, Table 1). Geosites with a high rate of educational value but low or medium geotourist development value include: the Płociczno (Devil’s Stone), Tlen ´ erratic boulders, late Glacial fossil lake in Bozepole ˙ Szlacheckie, the Ryszka River Valley, and Mukrz Lake. The improvement of accessibility of the above mentioned geosites could enhance the geotourist attractiveness of the whole Tuchola Forest region. It points to the necessity of urgently improving geotourist development in these places. 4.3. Impact of External Factors on Changes in Geotourist Attractiveness of Geosites During the process of geosite evaluation, both the negative and positive impact of extreme weather conditions, such as whirlwinds, on geotourist attractiveness of two geosites was observed. Resources 2022, 11, x FOR PEER REVIEW 21 of 31 accumulating calcium carbonate, in the form of lacustrine chalk, which is exposed in some places. The Kulawa River Valley has a 5 kilometers’ long educational path, running along Resources 2022, 11, 13 22 of 29 the bottom of a tunnel valley. The path crosses also anthropogenic meadows, which were created as a result of artificial drainage. There are nine information boards along this trail. Figure 7. Examples of geomorphological geosites typical for young glacial landscape. (A) Wdzydzkie Lakes Cross site—the observation tower over Wdzydze Lake, no. 16; (B) fragment of the panorama view from the top of observation tower in Wdzydze Kiszewskie, no. 14—intersection of two tunnel valleys, filled with water from Wdzydze and Jelenie Lakes; (C) information boards installed by the Wdzydzki Landscape Park authorities; (D) fragment of a slope of kame in Wierzchlas Reserve, no. 17; (E) former kettle hole, currently almost totally overgrown with peat vegetation in Wierzchlas Reserve, no. 17; (F) viewing point over the meandering Brda River Valley in Gołabek, ˛ no. 22 (photo by: S. Belzyt and W. Wysocki); (G) contact of the tunnel valley, in the vicinity of Wiecko, with the erosive part of Wda River valley, no. 23 (interpretation after Błaszkiewicz, 2005 [69]). Base layer: digital elevation model—www.geoportal.gov.pl (accessed on 20 December 2021). Resources 2022, 11, 13 23 of 29 Resources 2022, 11, x FOR PEER REVIEW 23 of 31 Figure 8. Examples of hydrological and hydrogeological geosites. (A) View point on the north-east- Figure 8. Examples of hydrological and hydrogeological geosites. (A) View point on the north- ern shores of the Charzykowskie Lake, no. 25; (B) aerial view of the south-eastern shores of the eastern shores of the Charzykowskie Lake, no. 25; (B) aerial view of the south-eastern shores of the Charzykowskie Lake, no. 25; (C) view of the Kacze Oko Lake basin peatbog, no. 27; (D) educational Charzykowskie Lake, no. 25; (C) view of the Kacze Oko Lake basin peatbog, no. 27; (D) educational trail, along the kettle-hole in Kacze Oko Lake basin peatbog geosite, no. 27; (E) traces of former trail, along the kettle-hole in Kacze Oko Lake basin peatbog geosite, no. 27; (E) traces of former exploitation of peat in Kacze Oko Lake basin peatbog geosite, no. 27; (F) view on the dystrophic Martwe Lake, no. 29; (G) trees destroyed by whirlwind, which swept through the area on July 14, exploitation of peat in Kacze Oko Lake basin peatbog geosite, no. 27; (F) view on the dystrophic 2012, in the closest vicinity of the Martwe Lake geosite (no. 29)—the comparison of views on the Martwe Lake, no. 29; (G) trees destroyed by whirlwind, which swept through the area on 14 July exposed southern part of the kettle-hole in years 2014 and (H) 2021; (I) inland lobelia lake Wielkie 2012, in the closest vicinity of the Martwe Lake geosite (no. 29)—the comparison of views on the Gacno, no. 26 ; (J) Czyściewnica spring complex peatbog, no. 32, and (K) a part of the longest beaver exposed southern part of the kettle-hole in years 2014 and (H) 2021; (I) inland lobelia lake Wielkie dam in TFBR (50 m long); (L) eutrophic part of the Zdręczno Lake, surrounded by a highmoor peat- Gacno, no. 26; (J) Czysciewnica ´ spring complex peatbog, no. 32, and (K) a part of the longest beaver land, no. 31 (photo A and C–L by: W. Wysocki, A. Krawiec and S. Belzyt; photo B, courtesy of the dam in TFBR (50 m long); (L) eutrophic part of the Zdreczno ˛ Lake, surrounded by a highmoor peatland, no. 31 (photo A and C–L by: W. Wysocki, A. Krawiec and S. Belzyt; photo B, courtesy of the Promotion of the Chojnice Region Organization—www.turystyka-chojnice.pl (accessed on 15 September 2021)). Resources 2022, 11, 13 24 of 29 The petrological geosite erratic boulder Płociczno (Devil’s Stone) (no. 6; Tables 3 and 4) is located on the north-western edge of the study area (Figures 1 and 2), which suffered the greatest extent of damage, as a result of a whirlwind, which took place at night between 11 and 12 August 2017 [45]. Currently, the forest administration authorities have decided to prevent access to the site until the process of removing fallen trees has come to an end. The educational path with information boards and signposts, which was marked out earlier, has been closed. The consequences of the whirlwind have considerably affected the tourist attractiveness of the geosite by lowering the value of the assessment criteria twice: before and after the disaster of 2017 (Figure 9A–C). The educational value of the geosite has been reduced from 29 points to 23 points (compare values 6 and 6a in Table 3), which results from a lower score given to the current condition of the geosite (criterion I/c, Table 1), positioning in relation to tourist trails (criterion II/b, Table 1), and level of difficulty during sightseeing (criterion II/d, Table 1). The tourist development of the geosite assessment has been negatively affected by the lower score, given for administration and management of the geosite (criterion V/a, Table 1). As a result of this, the assessment value of the geotourist Resources 2022, 11, x FOR PEER REVIEW 26 of 31 attractiveness of the site has fallen from 34 points before the whirlwind to 26 points after the disaster (Tables 2 and 3). Additionally, it has been observed that in the Central Register of Polish Geosites by Polish Geological Institute, National Research Institute [59], the information, concerning the condition and accessibility of the geosites, as well as the This observation led us to the conclusion that the condition of geosites requires per- photographic documentation of the geosites, have not undergone any modifications, which manent geomonitoring (site condition monitoring) or episodic monitoring after each sig- could be regarded as a potential threat to unsuspecting visitors, who do not anticipate nificant, extreme weather event, as a tool of geoconservation and geoheritage manage- any difficulties. ment, cf. [72]. Figure 9. Impact of extreme weather phenomena on changes in geotourist attractiveness of geosites. Figure 9. Impact of extreme weather phenomena on changes in geotourist attractiveness of geosites. (A–C) The destroyed trees and current availability of the petrological site Płociczno erratic boulder (A–C) The destroyed trees and current availability of the petrological site Płociczno erratic boulder (Devil’s Stone), no. 6, after a whirlwind that took place at night, between 11 and 12 August 2017; (D) (Devil’s Stone), no. 6, after a whirlwind that took place at night, between 11 and 12 August 2017; geomorphological site viewing point near Łążek, no. 20, that was created on the area affected by a (D) geomorphological site viewing point near Ła˛zek, ˙ no. 20, that was created on the area affected whirlwind that took place on 14 July 2012; (E) view of the outwash plain and the Prusina River by a whirlwind that took place on 14 July 2012; (E) view of the outwash plain and the Prusina River terrace from the observation tower—viewing point near Łążek, no. 20 (photo by: S. Belzyt and W. terrace from the observation tower—viewing point near Ła˛zek, ˙ no. 20 (photo by: S. Belzyt and Wysocki). W. Wysocki). 4.4. “Speaking Stones”—Form of Communicating Tourist Information Which Enhances Geotourist Attractiveness In recent years, in the Tuchola district, which, as an administrative unit, occupies 26% of the total area of the TFBR, located in its very centre, a new innovative form of com- municating tourist information has been introduced. Commonly occurring erratic boul- ders have been used as information storage media (Figure 10A,B). Each of 150 boulders, the height of which does not exceed 1 m, contains short information about the site en- graved on it, as well as a QR code, which enables acquiring more information about the geosite on a mobile device. The system of the so-called “speaking stones” was created as a part of the project referred to as “Borowieckie Trails”, the purpose of which was to revi- talize 540 km of tourist trails in the Tuchola Forest and create a tourist website and mobile e-guide around tourist attractions of the Tuchola district [73]. In the case of a few analysed geosites, the presence of “speaking stones” has favorably affected the assessment of the following criteria: scope of information about the site, accessibility of the geosites, and geotourist development (criteria IV and V; Table 1). This observation is a good example of the possible positive human-induced impact on geoheritage, cf. [72]. Resources 2022, 11, 13 25 of 29 The geomorphological site, referred to as the viewing point near Ła˛zek ˙ (no. 20; EV = 27, GA = 36; see Tables 3 and 4), was created after the whirlwind that swept through the Tuchola Forest on 14 July 2012. The removal of destroyed trees has highlighted the beauty of the landscape; as a result of which, the site has acquired a unique geotourist value. In 2014, an observation tower was erected on the nearby moraine hill (Figure 9D); a year later, an information board and memorial boulder, commemorating the effort of forest workers during the process of cleaning-up the natural debris, were planted. The observation tower offers an excellent view of the outwash plain and Prusina River terrace (Figure 9E). The viewing point clearly demonstrates the scale of destruction of trees and extent of damage (Figure 9D,E). This observation led us to the conclusion that the condition of geosites requires permanent geomonitoring (site condition monitoring) or episodic monitoring after each sig- nificant, extreme weather event, as a tool of geoconservation and geoheritage management, cf. [72]. 4.4. “Speaking Stones”—Form of Communicating Tourist Information Which Enhances Geotourist Attractiveness In recent years, in the Tuchola district, which, as an administrative unit, occupies 26% of the total area of the TFBR, located in its very centre, a new innovative form of communicating tourist information has been introduced. Commonly occurring erratic boulders have been used as information storage media (Figure 10A,B). Each of 150 boulders, the height of which does not exceed 1 m, contains short information about the site engraved on it, as well as a QR code, which enables acquiring more information about the geosite on a mobile device. The system of the so-called “speaking stones” was created as a part of the project referred to as “Borowieckie Trails”, the purpose of which was to revitalize 540 km of tourist trails in the Tuchola Forest and create a tourist website and mobile e-guide around tourist attractions of the Tuchola district [73]. In the case of a few analysed geosites, the presence of “speaking stones” has favorably affected the assessment of the following criteria: scope of information about the site, accessibility of the geosites, and geotourist Resources 2022, 11, x FOR PEER REVIEW 27 of 31 development (criteria IV and V; Table 1). This observation is a good example of the possible positive human-induced impact on geoheritage, cf. [72]. Figure 10. Examples of the “speaking stones”—form of communicating tourist information that en- Figure 10. Examples of the “speaking stones”—form of communicating tourist information that hances geotourist attractiveness of the sites. (A) Cultural site—crater after the explosion of a V-2 enhances geotourist attractiveness of the sites. (A) Cultural site—crater after the explosion of a V-2 missile; (B) archaeological and cultural site—millstones extracted from the Zamrzonka River (photo missile; (B) archaeological and cultural site—millstones extracted from the Zamrzonka River (photo by: W. Wysocki). by: W. Wysocki). 4.5. Importance of the Study and Recommendations The area of TFBR was assessed to be on the early (development) phase of Stansfield- Butler tourist area cycle of evolution, which means that the present pressure of tourism on the environment is low but expected to increase in the near future, with an increasing number of tourists visiting [74,75]. Simultaneously, the quality of sustainable tourism im- plementation level in the study area was evaluated as a low [74]. In this context, it is be- lieved that the results of conducted evaluation may favorably affect the importance, posi- tion, and publicity of the whole TFBR by supplementing the well-recognized biodiversity with geodiversity, presented in the study. Moreover, the authors claim that the results of the study may be used as an inventory for the process of the establishing geoconservation protected areas and geoheritage management in the area of TFBR, cf. [72]. We also recog- nize the necessity of marking out geotourist trails in the most attractive and diversified areas (for example, in the areas of Zaborski and Wdecki Landscape Parks, where several attractive geosites are concentrated in a relatively small area with good communication infrastructure). The authors of the study recommend entering nine geosites, which have been de- scribed in the study, into the Central Register of Polish Geosites by Polish Geological In- stitute, National Research Institute, as so far, they have gone unrecognized (Table 4). 5. Conclusions • In the area of the Tuchola Forest Biosphere Reserve (TFBR), which is distinguished by its biodiversity, numerous and diverse valuable geosites of inanimate nature can be found; • The evaluation of 32 sites has been carried out, among which mineral deposits occur- rence (1), petrological (12), sedimentological (2), and geomorphological (9), as well as hydrological and hydrogeological (8). Geosites represent both perfect examples of typical features for the physiography of the TFBR as a young glacial area (for in- stance, kettle holes, outwash plains, tunnel valleys, erratic boulders, lakes, and peat- bogs) and values proving the uniqueness of the TFBR, on both the regional and in- ternational scales (for example, disused underground lignite mine “Montania” or stone circle reserve in Odry); Resources 2022, 11, 13 26 of 29 4.5. Importance of the Study and Recommendations The area of TFBR was assessed to be on the early (development) phase of Stansfield- Butler tourist area cycle of evolution, which means that the present pressure of tourism on the environment is low but expected to increase in the near future, with an increasing number of tourists visiting [74,75]. Simultaneously, the quality of sustainable tourism imple- mentation level in the study area was evaluated as a low [74]. In this context, it is believed that the results of conducted evaluation may favorably affect the importance, position, and publicity of the whole TFBR by supplementing the well-recognized biodiversity with geodi- versity, presented in the study. Moreover, the authors claim that the results of the study may be used as an inventory for the process of the establishing geoconservation protected areas and geoheritage management in the area of TFBR, cf. [72]. We also recognize the necessity of marking out geotourist trails in the most attractive and diversified areas (for example, in the areas of Zaborski and Wdecki Landscape Parks, where several attractive geosites are concentrated in a relatively small area with good communication infrastructure). The authors of the study recommend entering nine geosites, which have been de- scribed in the study, into the Central Register of Polish Geosites by Polish Geological Institute, National Research Institute, as so far, they have gone unrecognized (Table 4). 5. Conclusions In the area of the Tuchola Forest Biosphere Reserve (TFBR), which is distinguished by its biodiversity, numerous and diverse valuable geosites of inanimate nature can be found; The evaluation of 32 sites has been carried out, among which mineral deposits occur- rence (1), petrological (12), sedimentological (2), and geomorphological (9), as well as hydrological and hydrogeological (8). Geosites represent both perfect examples of typical features for the physiography of the TFBR as a young glacial area (for instance, kettle holes, outwash plains, tunnel valleys, erratic boulders, lakes, and peatbogs) and values proving the uniqueness of the TFBR, on both the regional and international scales (for example, disused underground lignite mine “Montania” or stone circle reserve in Odry); There are three areas of high concentration of geosites that overlap with the bound- aries of landscape parks: Tuchola Landscape, Wdecki Landscape, Zaborski Land- scape Parks. The area of the greatest diversity of highly-ranked geosites is Zaborski Landscape Park; The most highly assessed geosite is the disused lignite mine “Montania”. This site has scored 45 points for its geotourist attractiveness. The site, in Piła-Młyn, where lignite-bearing sediments are exposed, is a unique monument of underground lignite mining in northern Poland. The high intrinsic value of the geosite is supplemented by very good geotourist development; Some of the geosites have changed their geosite attractiveness, as a result of extreme weather phenomena. Thus, the condition of geosites requires the introduction of geomonitoring, as a tool of geoconservation and geoheritage management. Author Contributions: Conceptualization, A.K. and W.W.; methodology, A.K., W.W. and I.J.; GIS analysis, I.J. and W.W.; field trips, W.W., S.B., A.K. and I.J.; archive resources and literature: W.W.; writing—original draft preparation, W.W.; S.B., I.J. and A.K.; writing—review and editing, S.B., I.J. and A.K.; figures, W.W., S.B. and I.J. All authors have read and agreed to the published version of the manuscript. Funding: Research has been partially financed from the grant for young academic faculty and doctoral students of Faculty of Earth Sciences and Spatial Management, Nicolaus Copernicus University (S. Belzyt). Institutional Review Board Statement: Not applicable. Informed Consent Statement: Not applicable. Resources 2022, 11, 13 27 of 29 Data Availability Statement: All data are available from the corresponding author upon reasonable request. Acknowledgments: The authors thank the anonymous reviewers for their constructive comments that helped improve the manuscript. Conflicts of Interest: The authors declare no conflict of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results. References 1. Boinski, ´ M. Rezerwat Biosfery “Bory Tucholskie”. In Proceedings of the Bory Tucholskie: Walory Przyrodnicze, Problemy Ochrony, Przyszłos ´c, ´ Bachorze, Poland, 17–20 September 1992; Nicolaus Copernicus University: Torun, ´ Poland, 1993; pp. 361–375. 2. Boinski, ´ M.; Boinska, ´ U. 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ResourcesMultidisciplinary Digital Publishing Institute

Published: Jan 26, 2022

Keywords: geoheritage; geotourist valorization; biodiversity and geodiversity; postglacial landscape; young glacial landscape

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