List of longest caves

Short description: none

Mammoth Cave, the world's longest known cave system

This list of longest caves includes caves in which the combined length of documented passageways exceeds 100 kilometres (62 mi). In some of these caves, passageways are still being discovered.[1][2][3]

## Contents

* 1 Geographical distribution
* 2 List
* 3 See also
* 4 External links
* 5 References

## Geographical distribution

Caves are found around the world. The largest form in areas of karst landforms whose rocks dissolve easily. Preferable conditions for karst cave formation are adequate precipitation, enough plants and animals to produce ample carbon dioxide, and a landscape of gentle hills which drains slowly.[citation needed] The highest concentrations of long caves in the world are found in the Pennyroyal Plateau of southern Kentucky, United States, in the Black Hills of South Dakota, United States, and in the Yucatán Peninsula, Mexico.

## List

#  | System  | Length  | Location  | coordinates  | Discovery  | Associated parks,
protected areas

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1  | Mammoth Cave  | 685.6 km (426.0 mi)[4][5] | near Brownsville, Kentucky, United States |  [ ⚑ ] 37°11′15″N 86°06′13″W﻿ / ﻿37.18758°N 86.10357°W﻿ / 37.18758; -86.10357﻿ (Mammoth cave historic entrance) | 1791  | Mammoth Cave National Park, also a World Heritage Site, International Biosphere Reserve, and International Dark Sky Park
2  | Sistema Ox Bel Ha | 435.8 km (270.8 mi)[6][2][7] | near Tulum, Quintana Roo, Mexico  |  [ ⚑ ] 20°09′37″N 87°29′15″W﻿ / ﻿20.16028°N 87.48750°W﻿ / 20.16028; -87.48750﻿ (Sistema Ox Bel Ha) | 1996  | southern parts in Sian Ka'an Biosphere Reserve
3  | Shuanghedong Cave Network  | 400.7 km (249.0 mi)[8][9] | Guizhou, China |  [ ⚑ ] 28°14′31″N 107°16′34″E﻿ / ﻿28.24199°N 107.27608°E﻿ / 28.24199; 107.27608﻿ (Shuanghe Dongqun) | 1988  | Suiyang Shuanghedong National Geopark
4  | Sistema Sac Actun / Sistema Dos Ojos | 386.1 km (239.9 mi)[3] | near Tulum, Quintana Roo, Mexico  |  [ ⚑ ] 20°14′48″N 87°27′51″W﻿ / ﻿20.246556°N 87.464111°W﻿ / 20.246556; -87.464111﻿ (Gran Cenote) | 1987  |

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5  | Jewel Cave  | 349.7 km (217.3 mi)[10][11] | near Custer, South Dakota, United States |  [ ⚑ ] 43°43′46″N 103°49′46″W﻿ / ﻿43.72944°N 103.82944°W﻿ / 43.72944; -103.82944﻿ (Jewel Cave) | 1900  | Jewel Cave National Monument
6  | Optymistychna Cave  | 264.5 km (164.4 mi)[1][12] | near Korolivka, Ukraine |  [ ⚑ ] 48°44′20″N 25°59′22″E﻿ / ﻿48.738830378°N 25.989496042°E﻿ / 48.738830378; 25.989496042﻿ (Grotte Optimiste) | 1966  | Dnistrovskyy Canion
7  | Wind Cave  | 260.2 km (161.7 mi)[1][13] | near Hot Springs, South Dakota, United States |  [ ⚑ ] 43°33′29″N 103°28′46″W﻿ / ﻿43.55804°N 103.47955°W﻿ / 43.55804; -103.47955﻿ (Wind Cave) | 1881  | Wind Cave National Park
8  | Clearwater Cave System  | 255.9 km (159.0 mi)[14][15] | near Miri, Sarawak, Malaysia  |  [ ⚑ ] 4°03′55″N 114°49′54″E﻿ / ﻿4.06529°N 114.83176°E﻿ / 4.06529; 114.83176﻿ (Clearwater Cave) | 1978  | Gunung Mulu National Park, also a World Heritage Site
9  | Lechuguilla Cave | 242.0 km (150.4 mi)[1][16] | near Carlsbad, New Mexico, United States |  [ ⚑ ] 32°11′26″N 104°30′12″W﻿ / ﻿32.1906420°N 104.5033091°W﻿ / 32.1906420; -104.5033091﻿ (Grotte de Lechuguilla) | 1900  | Carlsbad Caverns National Park
10  | Fisher Ridge Cave System | 212.1 km (131.8 mi)[1] | near Brownsville, Kentucky, United States |  [ ⚑ ] 37°11′30″N 85°58′48″W﻿ / ﻿37.191736°N 85.980122°W﻿ / 37.191736; -85.980122 | 1981  | partly within Mammoth Cave National Park
11  | Hölloch  | 209.8 km (130.4 mi)[17][18] | Muotathal, Switzerland |  [ ⚑ ] 46°58′36″N 8°47′18″E﻿ / ﻿46.976670°N 8.788330°E﻿ / 46.976670; 8.788330 | 1875  |

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12  | Sistema del Alto Tejuelo  | 181.6 km (112.8 mi)[19] | Cantabria, Spain |  [ ⚑ ] 43°15′11″N 3°40′51″W﻿ / ﻿43.2530670°N 3.6807990°W﻿ / 43.2530670; -3.6807990 | 1965  |

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13  | Siebenhengste-Hohgant-Höhle  | 164.5 km (102.2 mi)[20][21] | Switzerland |  [ ⚑ ] 46°47′02″N 7°54′04″E﻿ / ﻿46.783822°N 7.901231°E﻿ / 46.783822; 7.901231 | 1966  |

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14  | Schönberg-Höhlensystem (de)  | 155.6 km (96.69 mi)[22][23] | Austria  |  [ ⚑ ] 47°42′06″N 13°46′20″E﻿ / ﻿47.701528°N 13.772333°E﻿ / 47.701528; 13.772333 | 1976  |

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15  | Sistema del Mortillano (es)  | 146.5 km (91.03 mi)[24] | Cantabria, Spain |  [ ⚑ ] 43°13′51″N 3°33′43″W﻿ / ﻿43.23082°N 3.56197°W﻿ / 43.23082; -3.56197 | 1960  |

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16  | Priest's Grotto | 142.1 km (88.30 mi)[1][25] | Ukraine |  [ ⚑ ] 48°45′52″N 25°57′57″E﻿ / ﻿48.7644444°N 25.9658330555°E﻿ / 48.7644444; 25.9658330555 | 1940  |

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17  | Steinbrücken Cave | 137.7 km (85.56 mi)[22] | Austria  |  [ ⚑ ] 47°39′43″N 13°48′11″E﻿ / ﻿47.661940°N 13.803060°E﻿ / 47.661940; 13.803060 | 1929  |

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18  | Bullita Cave  | 120.4 km (74.81 mi)[1] | Australia |  [ ⚑ ] 16°03′48″S 130°23′00″E﻿ / ﻿16.063330°S 130.383330°E﻿ / -16.063330; 130.383330 | 1990  | Gregory National Park
19  | Réseau Félix Trombe (fr)  | 117.2 km (72.82 mi)[26] | France |  [ ⚑ ] 42°58′21″N 0°51′59″E﻿ / ﻿42.972500°N 0.866390°E﻿ / 42.972500; 0.866390 | 1908  |

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20  | Sistema del Gandara  | 116.7 km (72.51 mi)[27][28] | Cantabria, Spain |  [ ⚑ ] 43°11′34″N 3°34′46″W﻿ / ﻿43.1927260°N 3.5794850°W﻿ / 43.1927260; -3.5794850 | 2005  |

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21  | Hirlatzhöhle (de)  | 115.8 km (71.95 mi)[29] | Austria  |  [ ⚑ ] 47°32′42″N 13°37′51″E﻿ / ﻿47.544975°N 13.630953°E﻿ / 47.544975; 13.630953 | 1949  |

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22  | Toca da Boa Vista | 114 km (70.84 mi)[30] | Brazil |  [ ⚑ ] 10°09′45″S 40°51′35″W﻿ / ﻿10.162500°S 40.859722°W﻿ / -10.162500; -40.859722﻿ (Toca da Boa Vista) | 1987  |

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23  | Marosakabe cave system  | 113 km (70.21 mi)[31] | Madagascar |  [ ⚑ ] 16°27′07″S 45°20′08″E﻿ / ﻿16.45189°S 45.33543°E﻿ / -16.45189; 45.33543﻿ (Zohy Tsongom'omby) | 2006  | Tsingy de Namoroka Strict Nature Reserve
24  | Ojo Guareña  | 110 km (68.35 mi)[1][32] | Spain |  [ ⚑ ] 43°02′02″N 3°37′50″W﻿ / ﻿43.03376°N 3.63059°W﻿ / 43.03376; -3.63059 | 1956  |

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25  | Sistema K'oox Baal  | 103.7 km (64.44 mi)[3][33] | near Tulum, Quintana Roo, Mexico  |  [ ⚑ ] 20°22′21″N 87°25′02″W﻿ / ﻿20.372622°N 87.417239°W﻿ / 20.372622; -87.417239﻿ (K'oox Baal) | 1987  |

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26  | Sistema Huautla  | 100.1 km (62.20 mi)[34] | Mexico  |  [ ⚑ ] 18°07′16.37″N 96°48′00.03″W﻿ / ﻿18.1212139°N 96.8000083°W﻿ / 18.1212139; -96.8000083﻿ (Sótano de San Agustin, Sistema Huautla) | 1965  |

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Map all coordinates in "List of longest caves" using: OpenStreetMap

Download coordinates as: KML * GPX

## See also

* List of caves
* List of longest cave by country
* List of deepest caves
* Show cave
* Speleology

## External links

* World's Deepest Caves
* World Longest Caves

## References

1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Gulden, Bob (2021-10-04). "Worlds longest caves". Geo2 Committee on Long and Deep Caves. National Speleological Society (NSS). http://www.caverbob.com/wlong.htm. Retrieved 2021-10-08.
2. ↑ 2.0 2.1 "List of Long Underwater Caves in Quintana Roo Mexico". Quintana Roo Speleological Survey. National Speleological Society. 2018-07-30. https://caves.org/project/qrss/qrlong.htm.
3. ↑ 3.0 3.1 3.2 "Dry Caves and Sumps of Quintana Roo Mexico". Quintana Roo Speleological Survey. National Speleological Society. 2023-01-10. https://qrss.caves.org/qrdry.htm.
4. ↑ "Exploration in the World's Longest Cave". http://www.smithriveroutfitter.com/uploads/1/3/9/6/13962054/roppel_x_2017.pdf. .
5. ↑ Emily Deletter (September 13, 2022). "Mammoth Cave discovers 6 more miles, still the longest cave system in the world". Cincinnati.com. https://eu.cincinnati.com/story/news/2022/09/13/mammoth-cave-national-park-adds-6-miles/69491921007/. Retrieved October 9, 2022.
6. ↑ "CINDAQ 2022 Annual report". CINDAQ. El Centro Investigador del Sistema Acuífero de Quintana Roo A.C.(CINDAQ). January 26, 2023. https://www.cindaq.org/2022EN.
7. ↑ Bill Mixon. Mexico news. 34. p. 22. http://www.mexicancaves.org/nl/34.pdf. Retrieved 2014-06-01. .
8. ↑ "Grottes et karsts de Chine-Shuanghedongqun - 双河洞". https://www.grottes-et-karsts-de-chine.org/npds/gkc_rsd_gro.php?gro_id=606&gro_id_res=606&gro_nom=Shuanghedongqun. .
9. ↑ "Grottes et karsts de Chine - Sur les traces de Xu Xiake - Shuanghedong 双河洞 400 km !". 23 April 2023. https://www.grottes-et-karsts-de-chine.org/npds/article.php?sid=731&fbclid=IwAR31VixowPmnUl2FHMG8AVnqcSyIBh4rPcuvdpRJs7Rj7Fh7ALKhOj-tXsw.
10. ↑ "Jewel Cave Cave Exploration". National Park Service (NPS). September 14, 2021. https://www.nps.gov/jeca/learn/nature/caveexploration.htm. Retrieved March 9, 2023.
11. ↑ "Jewel Cave Reaches 200 Miles". National Park Service (NPS). December 19, 2018. https://www.nps.gov/jeca/learn/news/jewel-cave-reaches-200-miles.htm. Retrieved December 19, 2018.
12. ↑ "optymistychna is the longest cave in ukraine". 2014-06-04. http://ukrainegoodnews.com/optymistychna_is_the_longest_cave_in_ukraine.html.
13. ↑ "150 miles and counting: Wind Cave celebrates significant milestone". National Park Service (NPS). October 18, 2019. https://www.nps.gov/wica/learn/news/10182019pr.htm. Retrieved October 18, 2019.
14. ↑ Eavis, Rob (April–May 2016). "What a Rollercoaster". Descent (249): 24–29.
15. ↑ "The Clearwater Cave System". http://www.mulucaves.org/wordpress/the-caves-2/the-major-cave-systems/the-clearwater-cave-system. Retrieved 2023-02-05.
16. ↑ "Lechuguilla Cave". National Park Service (NPS). July 17, 2019. https://www.nps.gov/cave/learn/nature/lechuguilla_cave.htm. Retrieved July 17, 2019.
17. ↑ Arbeitsgemeinschaft Höllochforschung AGH. "Offizielle Vermessungs-Werte AGH" (in de). https://www.hoellochforschung.ch/forschung/hoehlenliste. Retrieved 2023-02-05.
18. ↑ "Arbeitsgemeinschaft Hoellochforschung AGH" (in de). https://www.hoellochforschung.ch/. Retrieved 2017-05-17.
19. ↑ David García. "Alto del Tejuelo" (in es). http://altodeltejuelo.com/.
20. ↑ Anonyme. "Grandes cavités suisses" (in fr). http://cavelist.naeff.ch/cavelist.php?. .
21. ↑ Philipp Häuselmann (2016) (in de, fr). Le karst Siebenhengste-Hohgant-Schrattenfluh : essai d'une synthèse. 66. pp. 28–41. http://www.isska.ch/refbase/pdf/Hauselmann_2016.pdf. Retrieved 2020-04-06.
22. ↑ 22.0 22.1 Verein für Höhlenkunde (2023-01-25). "Die längsten Höhlen des Dachsteins und des Toten Gebirges" (in de). http://www.hoehle.at/wordpress/wp-content/uploads/2013/09/Die-längsten-Höhlen-des-Dachsteins-und-des-Toten-Gebirges-steirischer-Teil6.pdf.
23. ↑ Harald Zeltlhofer (2022-09-12). "Schönberg Höhlensystem" (in de). https://www.hoehlenforschung.at/caves/schonberg-hohlensystem/.
24. ↑ "Mortillano !!!! 146,5 Km.!!!!" (in es). http://www.aer-espeleo.com/iniciocentral.htm#. .
25. ↑ "Найдовші печери України (від 1000 м.)" (in uk). https://speleo.land.kiev.ua/list-caves2.html. .
26. ↑ "Le réseau Félix Trombe Henne Morte" (in fr). http://lacoume.free.fr/index.php.
27. ↑ "Classement des plus grandes cavités" (in fr). http://karstexplo.fr/CuevasAson/Classement-cavites.htm. .
28. ↑ "Le réseau de la Gandara" (in fr). https://karstexplo.fr/CuevasAson/Secteur9-cav.htm. .
29. ↑ "Die tiefsten Höhlen Österreichs" (in de). 2022-01-19. https://hoehle.org/downloads/laengste.pdf.
30. ↑ Sociedade Brasileira de Espeleologia. "As maiores cavernas do Brasil" (in pt). http://cnc.cavernas.org.br/. .
31. ↑ "Expédition Malagasy 2018" (in fr). https://blog.crei.ffspeleo.fr/?p=778.
32. ↑ Ana I. Ortega and M. Martín. "Complejo Kárstico de Ojo Guareña. Endokarst" (in es). https://grupoedelweiss.com/web/index.php/catastro-de-burgos-mainmenu-71/principales-zonas-estudiadas/34-ojo-guare/51-complejo-ktico-de-ojo-guare.
33. ↑ Zdeněk Motyčka. K'oox baall, the fourth-longest underwater cave system in the world. 37. pp. 149–155. http://www.mexicancaves.org/nl/37.pdf. Retrieved 2014-05-01. .
34. ↑ "The PESCH Mission". http://www.peshcaving.org/.

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