List of deepest caves

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This list of deepest caves includes the deepest known natural caves according to maximum surveyed depth as of 2025. The depth value is measured from the highest to the lowest accessible cave point.

More information #, Name ...
# Name Depth (m) Length (km) Length (mi) Country Coordinates
1 Krubera-Voronja Cave 2224[1][2][3] 23.0 km 14.3 mi[4][5] Abkhazia / Georgia 43°25′04.0″N 40°18′35.4″E
2 Veryovkina Cave 2209[6] 17.5 km 10.9 mi[7] Abkhazia / Georgia 43°23′51″N 40°21′34.9″E
3 Sarma Cave 1830[1][8] 19.2 km 11.9 mi[8] Abkhazia / Georgia 43°24′56.2″N 40°21′50″E
4 Tovliani Cave [ka] 1760[9] 40.8 km 25.4 mi Abkhazia / Georgia 43°15′53″N 40°43′06″E
5 Lamprechtsofen 1727[10] 61.0 km 37.9 mi[10] Austria 47°31′34″N 12°44′21″E
6 Gouffre Mirolda 1661[11][12] 22.0 km 13.7 mi[11] France 46°05′19.9″N 6°46′14.0″E
7 Gouffre Jean-Bernard 1612[13] 29.5 km 18.3 mi[14] France 46°06′08″N 6°46′46.6″E
8 Sistema del Cerro del Cuevón [es] 1589[15] 7.0 km 4.3 mi Spain 43°13′14″N 4°51′37″W
9 Hirlatzhöhle 1560[16] 117.8 km 73.2 mi[16][10] Austria 47°32′41.9″N 13°37′51.5″E
10 Sistema Huautla 1560[17] 100.2 km 62.3 mi[18] Mexico 18°07′16.37″N 96°48′00.03″W
11 Chevé Cave 1538[19] 87.2 km 54.2 mi[18] Mexico 17°51′51.6″N 96°47′39.6″W
12 Boybuloq 1523[20] 19.9 km 12.4 mi[20] Uzbekistan 38°23′04″N 67°30′06″E
13 Pantyukhin Cave [ka] 1508[4] 7.9 km 4.9 mi Abkhazia / Georgia 43°19′54.4″N 40°29′56.9″E
14 Sima de la Cornisa [ru] 1507[15][21] 6.4 km 4.0 mi Spain 43°10′45″N 04°51′51″W
15 Čehi 2 1505[22] 5.5 km 3.4 mi[22] Slovenia 46°22′01″N 13°30′36″E
16 Sistema del Trave [fr] 1441[15] 9.1 km 5.7 mi Spain 43°13′16″N 04°51′29″W
17 Lukina-Trojama system 1431[23][24] 3.7 km 2.3 mi Croatia 44°46′01″N 15°01′35″E
18 Egma Sinkhole 1429[25] 3.1 km 1.9 mi[26] Turkey 36°18′54″N 32°46′44″E
19 Gouffre de la Pierre Saint-Martin 1410[27] 88.1 km 54.7 mi. France, Spain 42°58′05″N 0°46′10″W
20 Kuzgun Cave [ru] 1400[28] 3.1 km 1.9 mi Turkey 37°50′13.50″N 35°17′12.31″E
21 Hochscharten-Höhlensystem 1394[10][29] 14.6 km 9.1 mi Austria 47°35′10.8″N 13°05′40.1″E
22 Črnelsko brezno [sl] 1393[22][30] 20.0 km 12.4 mi[22] Slovenia 46°22′25.8″N 13°30′56.5″E
23 Abisso Paolo Roversi 1360[31][32] 4.2 km 2.6 mi Italy 44°06′43.5″N 10°13′32.9″E
24 Sistema Arañonera-Tendenera 1349[15][33][34] 46.3 km 28.8 mi Spain 42°40′45.8″N 0°08′33.4″W
25 Sima del Sabbat (B112) 1346[15][35][36] 6.7 km 4.2 mi Spain 42°30′59.1″N 0°18′27.8″E
26 BU 56 [fr] 1340[37] 38.9 km 24.2 mi Spain 42°55′37.4″N 0°45′28.1″W
27 Siebenhengste-Hohgant-Höhle 1340[38][39] 164.5 km 102.2 mi Switzerland 46°47′1.76″N 7°54′4.43″E
28 Nedam [hr] 1335[40][41] 3.3 km 2.1 mi Croatia 44°45′41.4″N 15°01′56.0″E
29 Slovačka jama [hr] 1324[42][24] 6.4 km 4.0 mi Croatia 44°44′53″N 15°00′16″E
30 Renetovo brezno [sl] 1322[22] 13.3 km 8.3 mi[22] Slovenia 46°21′18.9″N 13°26′42.4″E
31 Mala Boka 1319[22][43][44] 11.9 km 7.4 mi[22] Slovenia 46°19′16.6″N 13°29′28.6″E
32 Complesso del Releccio Alfredo Bini [it] 1313[45] 25.3 km 15.7 mi Italy 45°57′27.6″N 9°22′52.8″E
33 Jojar Cave 1300[46] 2.2 km 1.4 mi Iran 34°25′31.2″N 47°16′51.6″E
34 Cosanostraloch - Berger - Platteneck Höhlensystem [de] 1291[16][47] 30.3 km 18.8 mi Austria 47°33′27″N 13°13′16″E
35 Ilyukhin Cave [ka] 1286[48][49] 8.9 km 5.5 mi Abkhazia / Georgia 43.43146°N 40.35288°E / 43.43146; 40.35288 (Vladimir V. Ilyukhin System)
36 Višnevskij Cave 1283[50][51] 8.5 km 5.3 mi[50] Uzbekistan 38°22′27″N 67°31′58″E
37 Cueva Charco 1278[52][53] 6.7 km 4.2 mi[18] Mexico 17°56′12″N 96°46′25.8″W
38 Morca Cave 1276[54] [55] 5.7 km 3.5 mi[56] Turkey 36°18′33.7″N 32°39′37.4″E
39 Sistema del (Pozu) Xitu - Cueva de Culiembro [es] 1264[15][57] 10.7 km 6.6 mi Spain 43°14′25.8″N 4°55′36.9″W
40 Moskovuri 1260[1] 2.5 km 1.6 mi Abkhazia / Georgia 43°26′30″N 40°22′56.7″E
41 Gouffre Berger 1258[58] 45.0 km 28.0 mi France 45°13′09″N 5°36′17.2″E
42 Réseau du Casoar 1258[59][60] 17.3 km 10.7 mi Papua New Guinea 5°28′53″S 151°20′46″E
43 Torca dos los Rebecos 1255[15][61] 2.2 km 1.4 mi Spain 43°13′01.8″N 4°51′28.7″W
44 Pozo del Madejuno 1252[15][62] 2.8 km 1.7 mi Spain 43°10′05.4″N 4°50′40.5″W
45 Sistema J2 1229[63][64] 14.8 km 9.2 mi Mexico 17°54′13.75″N 96°45′46.76″W
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