List of the deepest caves in the world . Based on Bob Gulden’s list [1] . The list includes caves with a length of more than 75 km, as of 2018. As cave exploration continues, the list is constantly changing.
The Longest Caves in the World
| No. | Title | Length m | Depth, m | A country | Region | Array | Entry height | Opening year | Note |
|---|---|---|---|---|---|---|---|---|---|
| one | Mamontova | 651,784 | -124 | USA | Kentucky | Appalachian mountains | - | 1797 | - |
| 2 | Sak-Aktun | 346,740 | -101 | Mexico | Quintana Roo | Tulum | - | 1987 | - |
| 3 | Jewel | 310 732 | -248 | USA | South Dakota | Black hills | - | 1900 | - |
| four | Oaks Bel Ha | 270,200 | -35 | Mexico | Quintana Roo | Tulum | - | 1996 | - |
| five | Optimistic | 257,000 | -15 | Ukraine | Ternopol | Skirts | - | 1966 | - |
| 6 | Shuang hedong | 238,479 | -584 | China | Guizhou | Suiyang | 1300 | 1987 | - |
| 7 | Wind | 237,716 | -194 | USA | South Dakota | Black hills | - | 1881 | - |
| eight | Gua Air-Jernich | 227 009 | -355 | Malaysia | Sarawak | Kalimantan | - | 1978 | - |
| 9 | Lechuguilla | 222 572 | -489 | USA | New Mexico | Guadalupe | - | 1914 | - |
| ten | Helloch | 201 946 | -939 | Switzerland | Schwyz | Glarn Alps | - | 1875 | - |
| eleven | Fisher ridge | 201 570 | -108.5 | USA | Kentucky | Appalachian mountains | - | 1914 | - |
| 12 | Siebenhangste | 157,000 | -1340 | Switzerland | Berne | Western Alps | 1810 | 1966 | - |
| 13 | Sistema del alto tejuelo | 146 738 | -611 | Spain | Cantabria | Porracolina | - | - | - |
| 14 | Schoenbergsystem | 146 702 | -1061 | Austria | Upper austria | Totes gebrige | - | - | - |
| 15 | Sistema del mortortano | 143,000 | -950 | Spain | Cantabria | Porra de mortortano | - | - | - |
| sixteen | Lakeside | 140,490 | -35 | Ukraine | Ternopol | Skirts | - | - | - |
| 17 | Schwarzmooskogelhoehlensystem | 122 919 | -1104 | Austria | Styria | Dachstein | - | - | - |
| 18 | Bullita cave system | 120,400 | -23 | Australia | Northern Territory | Gregory np | - | - | - |
| nineteen | Sistema del gandara | 115,026 | -814 | Spain | Cantabria | Porracolina | - | - | - |
| 20 | Hirlatzköle | 112 929 | -1560 | Austria | Upper austria | Dachstein | - | 1949 | - |
| 21 | Toca da boa vista | 111,000 | -50 | Brazil | Bahia | Campo Formoso | - | - | - |
| 22 | Ojo guarena | 110,000 | -193 | Spain | Burgos | Merindad de Sotoscueva | - | - | - |
| 23 | Thrombus system | 105 767 | -975 | France | Upper Garonne | Pyrenees | - | - | - |
| 24 | Sistema purificacion | 93,755 | -953 | Mexico | Tamaulipas | Sierra madre | - | - | - |
| 25 | Cinderella | 91,045 | -35 | Moldova / Ukraine | Briceni district | Skirts | - | - | - |
| 26 | Three counties system | 86 619 | -211 | Great Britain | Yorkshire | Pennines | - | - | - |
| 27 | Pierre saint martin | 83 649 | -1408 | France / Spain | Atlantic pyrenees | Pierre saint martin | - | 1950 | - |
| 28 | Complesso del Monte Corchia | 76,000 | -1187 | Italy | Tuscany | Monte corchia | - | - | - |
| 29th | Barenschacht | 75 967 | -979 | Switzerland | Berne | Western Alps | - | - | - |
| thirty | Sistema k'oox baal | 75 870 | -26 | Mexico | Quintana Roo | Tulum | - | - | - |
| 31 | Oatla | 75 602 | -1560 | Mexico | Oaxaca | Oatla | 2237 | 1965 | - |
| 32 | Friars Hole Cave System | 75,500 | -187 | USA | West Virginia | Allegans | - | 1977 | - |
| 33 | Cova des pas de vallgornera | 74 242 | -21 | Spain | Balearic Islands | Llucmajor | - | - | - |
See also
List of the deepest caves
Notes
- ↑ WORLDS LONGEST CAVES , Compiled by: Bob Gulden.