GREAT CAVES OF THE WORLD

# Cave name Local UUID Length(m) Depth(m) Elev.(m) Country Locality Admin. area Notes
1 Mammoth Cave System 651,784 124 United States Ed./Hart/Bar counties Kentucky CRF / CKKC +/-5 MILES
2 Sistema Sac Actun 360,550 101 Mexico Tulum Quintana Roo
3 Jewel Cave 322,352 248 United States Custer South Dakota Mike Wiles - cavingnews.com
4 Sistema Ox Bel Ha 270,173 35 Mexico Tulum Quintana Roo
5 Optymistychna 257,000 15 Ukraine Borshchiv Ternopil's'ka oblast Vyacheslav Apostolyuk
6 Wind Cave 239,808 194 United States Custer South Dakota Marc Ohms e-mail
7 Shuanghe Dongqun 238,479 584 China Jean Bottazzi e-mail
8 The Clearwater System 227,009 355 Malaysia Mulu Sarawak Hugh St.Lawrence e-mail
9 Lechuguilla Cave 222,572 489 United States Eddy New Mexico Stan Allison e-mail
10 Hoelloch 201,946 939 Switzerland Muotatal / Schwyz http://ch.speleo.info/cavelist.php?mode=length
11 Fisher Ridge Cave System 201,570 109 United States Hart Kentucky Ronnie Harrison e-mail
12 Siebenhengste-hohgant Hoehlensystem 157,000 1,340 Switzerland Eriz/Beat./Ha. - Bern
13 Sistema del Alto Tejuelo 151,554 611 Spain Porracolina Cantabria Jose Luis Membrado e-mail
14 Schoenberg-Höhlensystem 147,813 1,061 Austria Oberosterreich /Totes Gebrige Theo Pfarr, Robert Seebacher & Lukas Plan
15 Sistema Purificacion 93,755 953 Mexico Villa Hidalgo Hidalgo http://www.amcs-pubs.org/longanddeep.html
16 Hellhole System 67,914 225 United States Riverton West Virginia GVKS
17 Blue Spring Cave 64,374 94 United States White Tennessee Jason Richards e-mail
18 Organ Cave System 61,882 148 United States Greenbrier cty. West Virginia WVASS Database
19 Peștera Vântului 37/3726 42,165 170 310 Romania Bihor speologie.org
20 Memorial Day cave 42,084 171 United States Riverton West Virginia GVKS
21 Sistemul Humpleu 15/3416 36,600 314 1,165 Romania Cluj speologie.org
22 Peştera din Pârâul Hodobanei 44/3406 22,142 181 980 Romania Casa de piatra / Alba speologie.org
23 Krubera (Voronja) Cave 16,058 2,197 Georgia Abkhazia / West Caucasus
24 Veryovkina 12,700 2,212 Georgia Abkhazia / Arabika massive Pavel Demidov e-mail
25 Cave of Haxhi Ali Albania Vlorë County