# List of caves in Slovenia

The following article is a list of caves in Slovenia. About 43% of Slovenian territory is of karst nature and over 14,000 caves (2021) are known in Slovenia.

## List of caves by number of visitors

The following show caves were the most visited in 2008 (ordered by the number of visitors):
* Postojna Cave: 548,424 visitors
* Škocjan Caves: 100,299 visitors
* Hell Cave: 13,638 visitors
* Predjama Cave: 6,133 visitors
* Cross Cave: 4,935 visitors
* Mayor Cave: 4,008 visitors
* Pivka Cave and Black Cave: 3,509 visitors

## List of longest and deepest caves

It includes all the caves in the Slovenian cave registry, at least 1,000 m long and at least 300 m deep (March 2023). The list is sorted on a cave score, obtained as a sum of normalized length (divided by the length of the longest cave, multiplied by 100) and depth (divided by the depth of the deepest cave times 100) - maximal possible score would be 200.
| # | Name | Wiki article | Length (m) | Depth (m) | Location | Score |
| 1 | Sistem Migovec | Migovec System | 43,009 | 972 | zaledje Tolminke | 164.58 |
| 2 | Sistem Mala Boka - BC4 | | 11,875 | 1,319 | Bovška kotlina | 116.04 |
| 3 | Čehi 2 | | 5,536 | 1,505 | Rombonski podi | 113.24 |
| 4 | Črnelsko brezno [sl] | | 20,066 | 1,393 | Rombonski podi | 112.29 |
| 5 | Renetovo brezno [sl]-P4 | | 12,296 | 1,322 | Kaninski podi | 101.82 |
| 6 | Vandima [sl] | | 2,500 | 1,182 | Rombonski podi | 84.52 |
| 7 | Sistem Molička Peč | | 3,817 | 1,130 | Dleskovška planota | 82.27 |
| 8 | Brezno spečega dinozavra | | 2,147 | 1,081 | Kaninski podi | 76.82 |
| 9 | Velika ledena jama v Paradani [sl] | | 7,311 | 858 | Trnovski gozd | 74.49 |
| 10 | Macola | | 2,593 | 1,016 | Kaninski podi | 73.14 |
| 11 | Pološka jama [sl] | | 10,800 | 704 | zaledje Tolminke | 72.61 |
| 12 | Skalarjevo brezno [sl] | | 8,176 | 1200 | Kaninski podi | 71.93 |
| 13 | Brezno pri gamsovi glavici | | 6,000 | 817 | Bohinjske planine | 68.64 |
| 14 | Brezno pod velbom | | 2,665 | 910 | Kaninski podi | 66.84 |
| 15 | Sistem pokljuškega grebena | | 9,584 | 643 | Pokljuka | 65.64 |
| 16 | Postojnska jama | Postojna Cave | 24,120 | 115 | Pivška kotlina | 65.32 |
| 17 | Brezno pod žičnico | | 2,531 | 875 | Kanin | 64.19 |
| 18 | Bela griža 1 | | 2,054 | 884 | Trnovski gozd | 63.65 |
| 19 | BC-10 (Kanin) | | 2,135 | 856 | Kaninski podi | 61.99 |
| 20 | Grvn | | 7,765 | 566 | Bohinjske planine | 55.68 |
| 21 | Kačna jama [sl] | | 20,200 | 280 | Divaški kras | 54.91 |
| 22 | Devettisoča jama | | 2,382 | 671 | Raduha | 50.52 |
| 23 | C 11 (Možnica) | | 1,074 | 644 | zaledje Koritnice (Log pod Mangartom) | 45.36 |
| 24 | Brezno pri Leški planini | | 4,019 | 536 | Jelovica | 45.22 |
| 25 | Predjama (jama) | | 17,945 | 168 | Pivška kotlina | 44.35 |
| 26 | Vrtiglavica | | 643 | 643 | Kaninski podi | 44.26 |
| 27 | Drugi sistem Moličke planine | | 3,349 | 542 | Dleskovška planota | 44.02 |
| 28 | Brezno na Toscu | | 1,870 | 581 | Bohinjske planine | 42.84 |
| 29 | [Brezno treh src] | | 763 | 621 | Snežnik | 41.98 |
| 30 | Dol ledenica | | 1,822 | 543 | Trnovski gozd | 40.44 |
| 31 | Edijevi vhodi | | 774 | 519 | Dleskovška planota | 36.34 |
| 32 | 4-P | | 1,030 | 495 | Rodica | 35.28 |
| 33 | Brezno Bogumila Brinška | | 585 | 506 | Snežnik | 35.02 |
| 34 | Habečkov brazen | | 1,402 | 476 | Črnovrška planota (Idrija) | 34.98 |
| 35 | [Evklidova piščal] | | 2,453 | 429 | Pokljuka | 34.37 |
| 36 | Čaganka | | 2,431 | 475 | Poljanska gora (nad Belo krajino) | 34.07 |
| 37 | Brezno presenečenj | | 950 | 472 | Dobrovlje (Vransko) | 33.63 |
| 38 | Majska jama | | 650 | 480 | Bohinjske planine | 33.44 |
| 39 | Brezno Martina Krpana | | 806 | 451 | Bohinjske planine | 31.90 |
| 40 | Cefizlova jama | | 860 | 449 | Bohinjske planine | 31.89 |
| 41 | Ferranova buža | | 3,093 | 358 | zaledje Vrhnike | 31.19 |
| 42 | Škocjanske jame (sistem) | Škocjan Caves | 6,138 | 254 | Divaški kras | 30.18 |
| 43 | Jamski sistem Sežanske reke | | 1,501 | 394 | Sežanski kras | 29.77 |
| 44 | [Sistem SuRovka] | | 1,596 | 385 | Kanin | 29.40 |
| 45 | Ponor polne lune | | 1,873 | 370 | Banjšice | 29.06 |
| 46 | Jama pred Kotlom | | 900 | 404 | Slavnik | 28.99 |
| 47 | Jama pod Debelim vrhom | | 689 | 410 | Bohinjske planine | 28.89 |
| 48 | Zelške jame (sistem) | | 7,338 | 160 | Rakov Škocjan | 28.18 |
| 49 | Klomsko brezno | | 499 | 384 | Ratitovec | 26.70 |
| 50 | P-41 (Kanin) | | 782 | 367 | Kaninski podi | 26.26 |
| 51 | Letuško brezno na Dedcu | | 888 | 361 | Dleskovška planota | 26.11 |
| 52 | Jama 1 v Kanjaducah | | 1,332 | 329 | Sežanski kras | 25.05 |
| 53 | Kamrica jama | | 534 | 351 | Snežnik | 24.60 |
| 54 | Jesenska jama | | 875 | 338 | Kamniška Bistrica | 24.55 |
| 55 | Jazben | | 868 | 334 | Banjšice | 24.27 |
| 56 | Zgubljeno brezno na Raduhi | | 939 | 327 | Raduha | 23.98 |
| 57 | Davorjevo brezno | | 5,887 | 304 | Brkini | 23.73 |
| 58 | Vodna jama v Lozi | | 7,748 | 75 | Slavinski ravnik (Prestranek) | 23.51 |
| 59 | Dimnice (jama) [sl] | | 6,020 | 134 | Matarsko podolje | 23.30 |
| 60 | Ljubljanska jama | | 1,120 | 310 | Kamniška Bistrica | 23.28 |
| 61 | Žalčevo brezno | | 398 | 336 | Snežnik | 23.28 |
| 62 | Ledena jama 1 na južni strani Studorja | | 2,345 | 286 | Bohinjske planine | 23.23 |
| 63 | Brezno Velikega Talirja | | 673 | 320 | Kaninski podi | 22.87 |
| 64 | Brezno zadnjega poskusa | | 580 | 320 | Kriški podi | 22.65 |
| 65 | Dobra Nada | | 1,112 | 300 | Trnovski gozd | 22.59 |
| 66 | Golerjev pekel | | 645 | 316 | Logarska dolina | 22.54 |
| 67 | Vikend brezno | | 1,435 | 279 | Jelovica | 21.97 |
| 68 | Križna jama | Cross Cave | 8,273 | 32 | Loško polje | 21.91 |
| 69 | Klemenškov pekel | | 455 | 310 | Logarska dolina | 21.69 |
| 70 | Žirovcova jama | | 5,994 | 106 | zaledje Vrhnike | 21.37 |
| 71 | Azaleja (Kanin) | | 470 | 302 | Kaninski podi | 21.19 |
| 72 | Black Jack | | 457 | 302 | Kaninski podi | 21.16 |
| 73 | J 10 | | 410 | 300 | Rombonski podi | 20.91 |
| 74 | Najdena jama | | 5,216 | 121 | Planinsko polje | 20.51 |
| 75 | Planinska jama | Planina Cave | 6,859 | 65 | Planinsko polje | 20.43 |
| 76 | Velika in Mala Karlovica | | 8,057 | 20 | Cerkniško polje | 20.07 |
| 77 | Lipiška jama | | 1,400 | 250 | Sežanski kras | 19.96 |
| 78 | Logarček | | 4,888 | 120 | Planinsko polje | 19.66 |
| 79 | Ledeno špičje | | 1,118 | 255 | Krnsko pogorje | 19.61 |
| 80 | Gradišnica | | 1,170 | 250 | Logaški travnik | 19.41 |
| 81 | Burja | | 1,099 | 248 | Kozina | 19.11 |
| 82 | Kamniška jama | | 1,570 | 226 | Kamniška Bistrica | 18.77 |
| 83 | Hotiško-Slivarski jamski sistem | | 2,644 | 180 | Matarsko podolje | 18.28 |
| 84 | Beško-Ocizeljski sistem | | 2,780 | 150 | Podgorski kras (Črni Kal) | 16.62 |
| 85 | Jazbina v Rovnjah | | 2,233 | 160 | Matarsko podolje | 15.97 |
| 86 | Novokrajska jama | | 1,297 | 188 | Jelšanska brda | 15.59 |
| 87 | Šimnova jama | | 2,054 | 153 | Mežakla | 15.08 |
| 88 | Gašpinova jama | | 3,375 | 103 | Logaški ravnik | 14.91 |
| 89 | Huda Luknja (sistem) | | 3,030 | 119 | dolina Pake | 14.75 |
| 90 | Prepadna jama | | 1,557 | 151 | obronki doline Kolpe (Kostel) | 13.75 |
| 91 | Pucov brazen | | 2,235 | 110 | Hotenjski ravnik (Hotedršica) | 12.65 |
| 92 | Hrušiške ponikve | | 1,036 | 152 | Matarsko podolje | 12.58 |
| 93 | Kamenšca | | 1,023 | 147 | Matarsko podolje | 12.22 |
| 94 | Podstenska jama | | 3,376 | 60 | Mala gora (Ribnica) | 12.06 |
| 95 | Podpeška jama | | 4,390 | 20 | Dobrepolje | 11.83 |
| 96 | Tkalca jama | Weaver Cave | 2,885 | 71 | Rakov Škocjan | 11.62 |
| 97 | Medvedjak | | 1,092 | 129 | Matarsko podolje | 11.18 |
| 98 | Čendova jama | | 1,040 | 126 | Baška grapa | 10.86 |
| 99 | Viršnica | | 2,796 | 60 | Radensko polje | 10.68 |
| 100 | Obrh Čolniči | | 2,700 | 61 | Cerkniško polje | 10.51 |
| 101 | Martinska jama pri Markovščini | | 1,004 | 120 | Matarsko podolje | 10.37 |
| 102 | Jama v Kofcah | | 1,090 | 103 | Velika planina | 9.45 |
| 103 | Križna jama 2 | | 1,415 | 89 | Loško polje | 9.29 |
| 104 | Trbiška zijalka | | 1,112 | 99 | Zgornja Savinjska dolina | 9.24 |
| 105 | Prekova jama | | 1,028 | 100 | Hleviška planina | 9.10 |
| 106 | Revenov brazen | | 1,236 | 95 | Hotenjski ravnik (Hotedršica) | 9.01 |
| 107 | Vipavska jama | | 1,932 | 64 | Vipavska dolina | 8.87 |
| 108 | Račiške ponikve | | 1,070 | 94 | Brkini | 8.81 |
| 109 | Snežna jama na planini Arto | | 1,327 | 75 | Raduha | 8.15 |
| 110 | Kostanjeviška jama [sl] | | 1,871 | 47 | Gorjanci | 7.59 |
| 111 | Jama and Dolinskim jarkom | | 1,858 | 46 | Gorjanci | 7.50 |
| 112 | Osapska jama [sl] | | 1,607 | 54 | Podgorski kras (Črni Kal) | 7.43 |
| 113 | Ponikve v Jezerini | | 1,224 | 63 | Matarsko podolje | 7.12 |
| 114 | Pekel pri Zalogu [sl] | | 1,500 | 40 | Ponikovski kras (Polzela) | 6.25 |
| 115 | SV 6/93 | | 1,126 | 46 | Dleskovška planota | 5.75 |
| 116 | Boka | | 1,425 | 84 | Kanin | 5.74 |
| 117 | Jama Kreščak | | 1,279 | 38 | Gorjanci | 5.58 |
| 118 | Izvir Bilpa [sl] | | 1,180 | 41 | dolina Kolpe (Kostel) | 5.54 |
| 119 | Kmetov brazen (sistem) | | 1,149 | 41 | Hotenjski ravnik (Hotedršica) | 5.23 |
| 120 | Tajna jama 1 | | 1,300 | 30 | Ponikovski kras (Polzela) | 5.10 |
| 121 | Mitjina jama | | 1,027 | 39 | Matarsko podolje | 5.05 |
| 122 | Željnske jame [sl] | | 1,600 | 12 | Kočevsko polje | 4.63 |
| 123 | Lekinka | | 1,032 | 17 | Pivška kotlina | 3.60 |