List of deepest caves

This list of deepest caves includes the deepest known natural caves according to maximum surveyed depth as of 2023. The depth value is measured from the highest to the lowest accessible cave point.


# Name Depth (m) Length (km) Country coordinates
1 Veryovkina Cave 2209[1] 17.5 km (10.9 mi)[2] Abkhazia / Georgia 43°23′51″N 40°21′34.9″E / 43.39750°N 40.359694°E / 43.39750; 40.359694 (Veryovkina)
2 Krubera-Voronja Cave 2199[3][4] 23.0 km (14.3 mi)[5][6] Abkhazia / Georgia 43°25′04.0″N 40°18′35.4″E / 43.417778°N 40.309833°E / 43.417778; 40.309833 (Krubera-Voronja Cave)
3 Sarma cave 1830[3][7] 19.2 km (11.9 mi)[7] Abkhazia / Georgia 43°24′56.2″N 40°21′50″E / 43.415611°N 40.36389°E / 43.415611; 40.36389 (Sarma Cave)
4 Snezhnaja cave [ru] 1760[8] 40.8 km (25.4 mi) Abkhazia / Georgia 43°15′53″N 40°43′06″E / 43.26472°N 40.71833°E / 43.26472; 40.71833 (Snezhnaja cave)
5 Lamprechtsofen 1727[9] 61.0 km (37.9 mi)[9] Austria 47°31′34″N 12°44′21″E / 47.52611°N 12.73917°E / 47.52611; 12.73917 (Lamprechtsofen)
6 Gouffre Mirolda 1662[10] 19.1 km (11.9 mi)[10] France 46°05′19.9″N 6°46′14.0″E / 46.088861°N 6.770556°E / 46.088861; 6.770556 (Gouffre Mirolda)
7 Gouffre Jean-Bernard 1612[11] 29.2 km (18.1 mi)[12] France 46°06′08″N 6°46′46.6″E / 46.10222°N 6.779611°E / 46.10222; 6.779611 (Gouffre Jean-Bernard)
8 Sistema del Cerro del Cuevón [es] 1589[13] 7.0 km (4.3 mi) Spain 43°13′14″N 4°51′37″W / 43.22056°N 4.86028°W / 43.22056; -4.86028 (Torca del Cerro del Cuevón)
9 Hirlatzhöhle 1560[14] 117.8 km (73.2 mi)[14][9] Austria 47°32′41.9″N 13°37′51.5″E / 47.544972°N 13.630972°E / 47.544972; 13.630972 (Hirlatzhöhle)
10 Sistema Huautla 1560[15] 89.0 km (55.3 mi)[16] 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)
11 Chevé Cave 1536[17] 77.0 km (47.8 mi)[17] Mexico 17°51′51.6″N 96°47′39.6″W / 17.864333°N 96.794333°W / 17.864333; -96.794333 (Chevé Cave)
12 Boybuloq 1517[18] 18.4 km (11.4 mi)[19] Uzbekistan 38°23′04″N 67°30′06″E / 38.38444°N 67.50167°E / 38.38444; 67.50167 (Boybuloq Cave)
13 Pantjuhinskaja Cave [ru] 1508[5] 7.9 km (4.9 mi) Abkhazia / Georgia 43°19′54.4″N 40°29′56.9″E / 43.331778°N 40.499139°E / 43.331778; 40.499139 (Pantjuhinskaja Cave)
14 Sima de la Cornisa 1507[13][20] 6.4 km (4.0 mi) Spain 43°10′45″N 04°51′51″W / 43.17917°N 4.86417°W / 43.17917; -4.86417 (Sima de la Cornisa)
15 Čehi 2 1505[21] 5.5 km (3.4 mi)[21] Slovenia 46°22′01″N 13°30′36″E / 46.36694°N 13.51000°E / 46.36694; 13.51000 (Čehi 2)
16 Sistema del Trave [fr] 1441[13] 9.1 km (5.7 mi) Spain 43°13′16″N 04°51′29″W / 43.22111°N 4.85806°W / 43.22111; -4.85806 (Sistema del Trave)
17 Velebit caves 1431[22][23] 3.7 km (2.3 mi) Croatia 44°46′01″N 15°01′35″E / 44.76694°N 15.02639°E / 44.76694; 15.02639 (Velebit caves)
18 Egma Sinkhole 1429[24] 3.1 km (1.9 mi)[25] Turkey 36°18′54″N 32°46′44″E / 36.31500°N 32.77889°E / 36.31500; 32.77889 (Egma Sinkhole)
19 Gouffre de la Pierre Saint-Martin 1410[26] 87.9 km (54.6 mi). France, Spain 42°58′05″N 0°46′10″W / 42.96806°N 0.76944°W / 42.96806; -0.76944 (Gouffre de La Pierre Saint-Martin)
20 Kuzgun Cave [ru] 1400[27] 3.1 km (1.9 mi) Turkey 37°50′13.50″N 35°17′12.31″E / 37.8370833°N 35.2867528°E / 37.8370833; 35.2867528 (Kuzgun Cave)
21 Hochscharten-Höhlensystem 1394[9][28] 14.6 km (9.1 mi) Austria 47°35′10.8″N 13°05′40.1″E / 47.586333°N 13.094472°E / 47.586333; 13.094472 (Hochschartehöhlensystem)
22 Črnelsko brezno [sl] 1393[21][29] 20.0 km (12.4 mi)[21] Slovenia 46°22′25.8″N 13°30′56.5″E / 46.373833°N 13.515694°E / 46.373833; 13.515694 (Črnelsko brezno sistem)
23 Abisso Paolo Roversi 1360[30][31] 4.2 km (2.6 mi) Italy 44°06′43.5″N 10°13′32.9″E / 44.112083°N 10.225806°E / 44.112083; 10.225806 (Abisso Paolo Roversi)
24 Sistema Arañonera-Tendenera 1349[13][32][33] 45.2 km (28.1 mi) Spain 42°40′45.8″N 0°08′33.4″W / 42.679389°N 0.142611°W / 42.679389; -0.142611 (Sistema Arañonera-Tendenera)
25 BU 56 [fr] 1340[34] 35.7 km (22.2 mi) Spain 42°55′37.4″N 0°45′28.1″W / 42.927056°N 0.757806°W / 42.927056; -0.757806 (BU 56)
26 Siebenhengste-Hohgant-Höhle 1340[35][36] 164.5 km (102.2 mi) Switzerland 46°47′1.76″N 7°54′4.43″E / 46.7838222°N 7.9012306°E / 46.7838222; 7.9012306 (Siebenhengste-Hohgant-Höhle)
27 Nedam (jama) [hr] 1335[37][38] 3.3 km (2.1 mi) Croatia 44°45′41.4″N 15°01′56.0″E / 44.761500°N 15.032222°E / 44.761500; 15.032222 (Nedam jama)
28 Sima del Sabbat (B112) 1327[13][39] 3.0 km (1.9 mi) Spain 42°30′59.1″N 0°18′27.8″E / 42.516417°N 0.307722°E / 42.516417; 0.307722 (Sima del Sabbat (B112))
29 Slovačka jama [hr] 1324[40][23] 6.4 km (4.0 mi) Croatia 44°44′53″N 15°00′16″E / 44.74806°N 15.00444°E / 44.74806; 15.00444 (Slovačka jama)
30 Renetovo brezno [sl] 1322[21] 12.3 km (7.6 mi)[21] Slovenia 46°21′18.9″N 13°26′42.4″E / 46.355250°N 13.445111°E / 46.355250; 13.445111 (Renetovo brezno)
31 Mala Boka 1319[21][41][42] 11.9 km (7.4 mi)[21] Slovenia 46°19′16.6″N 13°29′28.6″E / 46.321278°N 13.491278°E / 46.321278; 13.491278 (Mala Boka - Polska Jama (BC4) System)
32 Complesso del Releccio Alfredo Bini [it] 1313[43] 25.3 km (15.7 mi) Italy 45°57′27.6″N 9°22′52.8″E / 45.957667°N 9.381333°E / 45.957667; 9.381333 (Complesso del Releccio Alfredo Bini)
33 Jojar Cave 1300[16] 2.2 km (1.4 mi) Iran 34°25′31.2″N 47°16′51.6″E / 34.425333°N 47.281000°E / 34.425333; 47.281000 (Jojar Cave)
34 Cosanostraloch - Berger - Platteneck Höhlensystem [de] 1291[14][44] 30.3 km (18.8 mi) Austria 47°33′27″N 13°13′16″E / 47.55750°N 13.22111°E / 47.55750; 13.22111 (Cosanostraloch - Berger - Platteneck Höhlensystem)
35 Iljuhinskaja 1286[45][46] 8.9 km (5.5 mi) Abkhazia / Georgia 43°25′53″N 40°21′10″E / 43.43146°N 40.35288°E / 43.43146; 40.35288 (Vladimir V. Iljukhina System)
36 Višnevskij cave 1283[47][48] 8.5 km (5.3 mi)[47] Uzbekistan 38°22′27″N 67°31′58″E / 38.37417°N 67.53278°E / 38.37417; 67.53278 (Višnevskij cave)
37 Cueva Charco 1278[16][49] 6.7 km (4.2 mi)[16] Mexico 17°56′12″N 96°46′25.8″W / 17.93667°N 96.773833°W / 17.93667; -96.773833 (Cueva Charco)
38 Morca Cave 1276[50] [51] 5.7 km (3.5 mi)[52] Turkey 36°18′33.7″N 32°39′37.4″E / 36.309361°N 32.660389°E / 36.309361; 32.660389 (Morca Cave)
39 Gouffre Berger 1271[53] 45.0 km (28.0 mi) France 45°13′09″N 5°36′17.2″E / 45.21917°N 5.604778°E / 45.21917; 5.604778 (Gouffre Berger)
40 Sistema del (Pozu) Xitu - Cueva de Culiembro [es] 1264[13][54] 10.7 km (6.6 mi) Spain 43°14′25.8″N 4°55′36.9″W / 43.240500°N 4.926917°W / 43.240500; -4.926917 (Sistema del Jitu)
41 Moskovskaja 1260[3] 2.5 km (1.6 mi) Abkhazia / Georgia 43°26′30″N 40°22′56.7″E / 43.44167°N 40.382417°E / 43.44167; 40.382417 (Moskovskaja)
42 Réseau du Casoar 1258[55][56] 17.3 km (10.7 mi) Papua New Guinea 5°28′53″S 151°20′46″E / 5.48139°S 151.34611°E / -5.48139; 151.34611 (Réseau du Casoar)
43 Torca dos los Rebecos 1255[13][57] 2.2 km (1.4 mi) Spain 43°13′01.8″N 4°51′28.7″W / 43.217167°N 4.857972°W / 43.217167; -4.857972 (Torca dos los Rebecos)
44 Pozo del Madejuno 1252[13][58] 2.8 km (1.7 mi) Spain 43°10′05.4″N 4°50′40.5″W / 43.168167°N 4.844583°W / 43.168167; -4.844583 (Pozo del Madejuno)
45 Sistema J2 1229[59][60] 14.8 km (9.2 mi) Mexico 17°54′13.75″N 96°45′46.76″W / 17.9038194°N 96.7629889°W / 17.9038194; -96.7629889


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