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The explored length of the cave increased from 25 km (16 mi) in 1952 to 100 km (62 mi) by 1968. It was the first cave in the world where the explored length reached 100 km. Until the linkage of the Flint Ridge Cave System to the
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A portion of the cave near the entrance is open to visitors, but the remainder is restricted to qualified cavers only owing to its enormous size.
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and the 11th longest of the world, it is also notable for having a depth of 1,033 m (3,389 ft). The Hölloch is an example of a
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Despite this, exploration of the Hölloch continued, and in 1976 it had been mapped to approximately 130 km (81 mi) long.
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was discovered in 1972, it was believed to be the largest cave system in the world.
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340:"The development of limestone cave systems in the dimensions of length and depth"
342:. Department of Geography, McMaster University, Hamilton, Onf., Canada L8S 4KI.
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317:. United States of America: Reader's Digest Association, Inc. p. 183.
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The cave was first scientifically explored in 1875 by a group led by
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Paul, Courbon; Peter Bosted; Claude
Chabert; Karen Lindsley (1989).
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182:) is a 200.4 km (124.5 mi) long cave in the municipality
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Scheffel, Richard L.; Wernet, Susan J., eds. (1980).
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276:Arbeitsgemeinschaft Höllochforschung AGH.
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393:Groupe de travail Höllochforschung AGH
338:Ford, D.C.; Ewers, R.O. (1978-06-19).
378:Atlas of the Great Caves of the World
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210:. Later expeditions in the 1950s by
420:. You can help Knowledge (XXG) by
380:. St. Louis, Missouri: Cave Books.
344:Canadian Journal of Earth Sciences
278:"Offizielle Vermessungs-Werte AGH"
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134:211.229 km (131.252 mi)
472:Canton of Schwyz geography stubs
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192:second longest cave in Europe
315:Natural Wonders of the World
126:1,033 m (3,389 ft)
190:. In addition to being the
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214:, one of the pioneers of
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63:Location in Switzerland
416:location article is a
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107:46.976639°N 8.788389°E
252:List of deepest caves
247:List of longest caves
170:Cavers in the Hölloch
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467:Caves of Switzerland
282:hoellochforschung.ch
356:1978CaJES..15.1783F
224:Mammoth Cave System
112:46.976639; 8.788389
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350:(11): 1783–1798.
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286:. Retrieved
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212:Alfred Bögli
208:Alois Ulrich
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95:46°58′35.9″N
18:Hölloch Cave
284:(in German)
202:Exploration
188:Switzerland
110: /
98:8°47′18.2″E
86:Coordinates
80:Switzerland
461:Categories
288:2023-10-16
258:References
216:speleology
178:(English:
184:Muotathal
151:Limestone
139:Discovery
241:See also
180:Hellhole
72:Location
352:Bibcode
233:Tourism
176:Hölloch
147:Geology
57:Hölloch
33:Hölloch
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131:Length
412:This
196:karst
123:Depth
418:stub
319:ISBN
174:The
160:1906
142:1875
27:Cave
360:doi
186:in
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
