USA Deep Caves

Caves Mapped/Surveyed with 350+ feet of vertical
Compiled by: Paul Burger –09/02/2025

Send updates and corrections to Cavemonpaul at hotmail.com

Copyright 2025 NSS Geo2, Paul Burger NSS 26452, FE, CM
Do not ask for cave locations, I will not give them out.

Type: CT=Chalk & Tufa & Laterite , C=Conglomerate & Schist, G=Gypsum, L=Lava, Q=Sandstone & Quartzite, S=Salt, T=Talus, Boulder & Granite, UW=Underwater

TYPE RANK CAVE NAME COUNTRY STATE COUNTY Length (mi)Length (m)Depth (ft)Depth(m)SOURCE DATE
L1Delissea Cave System USAHawaii Hawaii 40.5965323.341151254.3Peter Bosted e-mail 2025-05
L2Kazumura CaveUSAHawaii Hawaii 40.70655003613.81101.5HSS Newsletter N9P7 2016-06
- 3Tears of the Turtle Cave USAMontana Flathead 1.883025.62477755Jason Ballensky & Peter Johnson e-mail 2024-08
L4Umi'i Manu System USAHawaii Hawaii 2.423886.61869.1569.7Doug Medville 2000-02
5Bobsled CaveUSAMontana Flathead 1.121802.51842561.4Jason Ballensky e-mail 2025-08
L6Hue Hue (Manini Owali) Cave USAHawaii Hawaii 6.7110800.31623494.7Stephan Kempe 1999-10
- 7Lechuguilla Cave (C.C.N.P.) USANew Mexico Eddy 152.112447901588.6484.2Max Wissak email2023-01
- 8Virgil The Turtle's Great House Cave USAMontana Flathead 1.021644.751586483.41Bodenhamer, Ballensky, Rykwalder, Sainsbury via e-mail 2016-07
- 9Columbine Crawl USAWyoming Teton 2.303703.11551472.74Warren Anderson e-mail 2016-01
L10Hualalai Ranch Cave USAHawaii Hawaii 15.05242171449.1441.7Doug Medville e-mail 2016-03
L11Emesine Cave (1881 System) USAHawaii Hawaii 12.8920744.41433.1436.8Don Coons e-mail 2016-03
- 12Great EX(pectations) Cave USAWyoming Washakie 7.8512639.791408429.16NSS News V44N6 (Peter Shifflett) 1986-06
- 13Loaded Dice Cave USAWyoming Teton 1.482380.51403.2427.6Bridger-Teton Cave Project 2024-04
- 14Main Drain CaveUSAUtahCache 2.534071.61305.9398.04Jon Jasper email2023-09
- 15Omega System USAVirginia Wise 29.4347362.991263384.96Mike Ficco e-mail 2016-06
- 16Bigfoot Cave USACalifornia Siskiyou 16.2526151.841205367.28Scott Linn e-mail 2016-10
- 17Neffs Canyon Cave USAUtah Salt Lake 0.761223.11163354.48www.caves.org/grotto/timpgrotto/ 1989-05
L18Pahoa Cave(s) (segmentation??) USAHawaii Hawaii 9.9416000.11149.9350.5Dr. Stephen Smith reports that this cave could be as short as about 2 miles long now, due to plugging and segmentation by the 2018 Kilauea 61g lava flows. 2016-05
L19Manu Nui Lava Tube USAHawaii Hawaii 2.153460.11143348.4NSS NEWS V65N10P21 2016-09
- 20Ellisons Cave USAGeorgia Walker 12.1319516.511063324Georgia Underground V24N1 1987-03
L21Ainahou Ranch Cave USAHawaiiHawaii4.4271101059.7323Stephan Kempe e-mail 2019-04
- 22Carlsbad Cavern (C.C.N.P.) USANew Mexico Eddy 39.5063569.091035315.47Vidio on liine 2019-12
L23Keamoku USAHawaii Hawaii 4.1266231030314Gerald Favre, HSS no 35, pg 13, 2014 2014-01
- 24Tickle Me Turtle Cave (Portal 3) USAMontana Flathead 0.761224.711027313.03Jason Ballensky e-mail 2016-08
L25Kahawaihapapa CaveUSAHawaiiMaui0.599431023.6312Bob Richards e-mail2020-08
- 26Silvertip Cave System USAMontana Flathead 10.1616350.94997.4304Jason Ballensky e-mail 2022-05
- 27Scapegoat Cave System (Green Fork Falls Cave - Kathys Icebox Cave) USAMontana Lewis & Clark 3.305310.84977297.79Michael McEachern FB 2021-10
- 28Jewett Three CaveUSATennessee Cumberland 4.006437.4946288.3TCS 2024-01
L29Kipuka Kanohina Cave (Kula Kai Caverns) USAHawaii Hawaii 26.1042010944.9288Kanohina Data Manager - Tomislav Gracanin e-mail 2019-06
- 30Bull Cave USATennessee Blount 2.273656.43924281.64Mark Lassiter 1998-08
- 31Snowhole USAAlaska P.O.W. Island 0.651056.7911198.73Christian DeCelle email2024-07
- 32Nielsons Well / Cave USAUtah Cache 1.422285.27880268.22www.caves.org/grotto/timpgrotto/ 2016-01
L33Kauhako Crater (Vauhako) (Lava Pit) USAHawaii Molokai 0.000865.2263.7Earl Neller via Halliday(Water filled) 1997-07
L34Na One Pit(Pit 6083,Pelee's Abyss) (Lava Pit) USAHawaii Hawaii 0.000861.9262.7Dave Bunnell 1994-04
- 35Little Brush Creek Cave USAUtah Uintah 6.2510058.4858202Matt Paulson FB 2022-07
- 36Big Brush Creek Cave USAUtah Uintah 6.169913.56858261.52Matt Paulson FB 2022-01
- 37Sunray - Sunset Cave System USAMontana Flathead 1.672700.2846257.9Jason Ballensky e-mail 2023-08
- 38Rich Mountain Blowhole USATennessee Blount 2.193516.42840256.03Tenn.Cave Survey 2015-02
L39Hookena Civil Defense Cave USAHawaii Hawaii 5.869436839.9256Peter Bosted e-mail 2023-12
- 40Papoose Cave USAIdaho Idaho 3.255230.37833253.9Daryl Greaser e-mail 2019-01
- 41Jewel Cave (N.M.) USASouth Dakota Custer 220.50354860.35832.1253.62Adam Weaver email2024-05
- 42Chestnut Ridge Cave System USAVirginia Bath 22.0635507813.6248BCCS 2019-10
- 43Fossil Mtn.Ice Cave - Wind Cave System USAWyoming Teton 5.278481.2803244.8Garry Petrie e-mail 2025-08
- 44Vive Silva Cave USAAlaska Heceta Island 0.000797242.93Marcel LaPerriere e-mail 1998-08
45Fast and Heavy CaveUSAAlaska Prince of Wales Is0.29466.7771235Christian DeCelle2024-07
L46Big Red Cave USAHawaii Hawaii 2.243606.5759.8231.6Doug Medville e-mail 2016-09
- 47Spanish Cave USAColorado Custer 1.091754.18741225.86Richard Rhinehart e-mail 2016-05
L48Ka'eleku Caverns USAHawaii Maui 1.772851.8737.9224.9Bob Richards e-mail 1999-12
- 49Hellhole System USAWest Virginia Pendleton 43.6070167.4737224.64GVKS 2020-02
- 50Sugar Run Cave System USAVirginia Giles 22.5536291718218.85VSS 2015-02
- 51Simmons Mingo - My Cave System USAWest Virginia Rand./Pocahon. 6.7010782.6683208.18Bob Thrun 1982-06
52Don Quixotes Gross VentureUSAWyomingSublette0.54874.8680.15207.31Bridget-Teton Cave Project2025-08
- 53Dorton Knob Smoke Hole USATennessee Cumberland 1.242002.02669203.9Mike Rodgers email2023-04
- 54Overholts Blowing Cave USAWest Virginia Pocahontas 7.8112570.59666203Gary Storrick 2016-01
55Buttersweet CaveUSAAlaska Prince of Wales Is0.33531652198.7Christian DeCelle2024-07
- 56Lost Creek Siphon USAMontana Park 0.19304.17650198.12Jay Kennedy e-mail 2015-02
L57Beach Park Cave USAHawaii Hawaii 4.717572649.6198Peter Bosted e-mail 2018-08
- 58Wind Cave (N.P.) USASouth Dakota Custer 168.08270498.5646.8197.2Hollie Lybarger-Pucket email2025-05
- 59Fort Stanton Cave USANew Mexico Lincoln 55.3088240.3646.2196.9Lee H.Skinner e-mail 2025-08
- 60Butler-Sinking Creek System USAVirginia Bath 18.0629064.75644.3196.38Tont Canike email 2016-09
- 61Flathead Alps Cave USAMontana Powell 0.09150642195.68Philip Rykwalder e-mail 2016-08
- 62Jewett Two Cave USATennessee Cumberland 3.355389.69636193.85Charles Clark 1986-07
- 63MeanderBelt Cave USAMontana Flathead 0.721163.56633192.94Michael McEachem e-mail 2017-04
- 64Rawhide Horror Hole USATennessee Franklin 1.141828.21630192.02Tenn.Cave Survey 2015-02
- 65Doe Mountain Cave USAVirginia Giles 2.714364.54628191.41Bill Balfour e-mail 1999-02
- 66El Capitan Pit USAAlaska P.O.W. Island 0.21339.57625190.5Georgia Underground V28N4 1992-05
L67Lama Lua System USAHawaii Hawaii 3.455547.4623189.9Doug Medville e-mail 2017-04
- 68Double Bopper Cave USAArizona Coconino 42.7068719618188.37Jason Ballensky e-mail 2024-11
- 69Jewett Cave USATennessee Cumberland 1.792877.51615187.45Charles Clark 1986-07
- 70Friars Hole Cave System USAWest Virginia Green./Pocoho. 52.5684587.1613186.84Bill Storage email2024-03
L71Keala Cave USAHawaii Hawaii 5.418706.6609.9185.9Stephan Kempe, IUS Com. on Vol.Cave NL 1999-12
L72Ape CaveUSAWashington Skamania County 2.574141.5606184.8Garry Petrie e-mail 2023-01
- 73Devils Hole USANevada Nye 0.000605184.4Dan Smith FB 2022-07
- 74Thompson Valley Cave System (Corkscrew Cave) USAVirginia Tazewell 8.6013841603.7184VSS 2019-11
- 75MOS Cave / Obscure Magnificence (2697) USAAlabama Jackson 1.001610.95603183.79Deep Caves of TAG, J.Stembel 2016-10
- 76Dulaneys Cave USAVirginia Giles 4.447138601183.18VSS 2016-05
L77The Great One Crack (Lava Crack) USAHawaii Hawaii 0.44706.5600.1182.9NSS NEWS V68N12P9 2015-02
78Serendipity PitUSATennesseeCumberland0.57914.4600182.9TCS-Moni2025-08
- 79Double Date Cave USAMontana Flathead 1.542478.39582177.39Jason Ballensky e-mail 2016-12
- 80Three Fingers Cave USANew Mexico Eddy 3.705954.57581177.09Rocky Mountain Caving V8N3P22 1991-07
L81Cody Borehole USAOregonDeschutes0.801284.3580.1176.8Garry Petrie1994-04
- 82Memorial Day Cave USAWest Virginia Pendleton 29.0346719.26579.2176.54GVKS 2020-12
- 83Greenhouse Cave USAMontana Flathead 0.000578176.17Philip Rykwalder e-mail 2016-08
- 84Lewis and Clark Caverns USAMontana Jefferson 1.913067.41577175.87The Explorer P34 - Bob Richards 1985-03
- 85Blowing in the Wind Cave USAAlaska P.O.W. Island 1.141841.09577175.87Alaskan Caver V18N2P24, Carlene Allred 1998-04
- 86Youngs Creek Blowhole USATennessee Franklin 1.702730.4576175.6Gerald Moni email2025-07
- 87Virgin Cave USANew Mexico Eddy 4.377032.1573.4174.8Paul Burger2025-03
- 88Scott Hollow Cave USAWest Virginia Monroe 29.5047475.65571174.04WVASS Spring Meeting 2016-05
- 89Tony Sinks - Cox Cave (78) USAAlabama Jackson 2.373809.32570173.74Georgia Underground V32N4P37 1996-09
- 90Sorcerer's Cave USATexas Terrell 2.183509.98570173.74Texas Speleological Survey via Jerry Atkinson e-mail 2016-01
L91Keokeo 16S-Y USAHawaii Hawaii 1.372206567.6173Peter Bosted e-mail 2018-08
- 92Moon Ray Cave USAMontana Flathead 0.000567172.82Philip Rykwalder e-mail 2016-08
- 93Scott's Barn Cave / Bloodstone (907) USAAlabama Jackson 1.542471.95563171.6Tom Moss 1995-12
L94Ka'awaloa USAHawaii Hawaii 2.023247561171Peter Bosted e-mail 2018-08
- 95Gary Self Pit (290) USAAlabama Jackson 2.313724.02560170.69ACS 1987-08
- 96Kelly Ridge Cave USATennessee Blount 0.851371.16559170.38TCS - Steve Pierce 1986-07
- 97Bloody Elbow Cave USAAlabama Madison 1.201934.43558170.08Julie Schenck Brown 2016-05
- 98Great Savannah Cave System USAWest Virginia Greenbrier 55.0188530.1550.6167.8Nick Socky email2024-10
- 99Hells Below Cave USANew Mexico Eddy 1.893048.1550167.64Dave Belski e-mail 2016-03
- 100Ain't No Cave (2312) USAAlabama Jackson 0.741194.13549167.34Speleo Digest 2015-02
- 101Church Cave USACalifornia Fresno 4.006430.94547166.73David Engel e-mail 1999-09
- 102Paint Rock River Cave (2934) USAAlabama Jackson 1.822924.18539164.29Deep Caves of TAG, John Stembel 2016-10
- 103Fern Cave (597) USAAlabama Jackson 15.6325154.05536163.37Fern Cave Project 2017-06
- 104Luminary Pit USATennessee Bledsoe 1.372206.41535163.07Buddy Lane 1986-07
- 105The Kids Cave (2410) USAAlabama Jackson 1.041676.94530161.54NSS News 1989-06
L106Kaupulehu Crater Cave (part of Manu Nui ?) USAHawaii Hawaii 0.681087.9529.9161.5Peter Bosted e-mail 2016-01
- 107Hang'em High Cave USATennessee Marion 3.665890.2528160.93TCS-Moni2025-08
- 108Stolen Well / Davis Cove Cave (1518) USAAlabama Jackson 1.292077.66528160.93Georgia Underground V29N3 1992-09
L109Kaupulehu System USAHawaii Hawaii 2.714367526.9160.6Doug Medville e-mail 2020-12
- 110Wind Cave (Wolfpen-Hollow Blowhole) USAWest Virginia Grant 5.178320.31526160.32WVASS Database 2016-05
- 111Grunge Plunge USATennessee Washington 1.292080526160.32Gerald Moni email2025-07
- 112Fulford Cave USAColorado Eagle 1.231983.5524.9160Rocky Mtn. Caving P13 1989-08
- 113Engle Double Pit (266) USAAlabama Jackson 4.607399.76520158.5Alabama Cave Survey 2017-05
- 114Arabica-Big Fatty Cave System USAAlaska Heceta Island 1.412272.39519158.19Alaskan Caver V19N2P7 , Steve Lewis 1999-04
- 115Bullpasture Mountainside Cave USAVirginia Highland 0.38605.11519158.19Rick Lambert e-mail 2016-10
L116The Great Two Crack (Lava Crack) USAHawaii Hawaii 0.30484.4518157.9NSS NEWS V68N12P15 2015-02
L117Many Wall Cave USAHawaii Hawaii 1.933106515.1157Doug Medville, HSS no. 32, pg 6, 2012 2021-01
- 118Gouffre USATennessee Cumberland 2.133429.51515156.97TCS 1996-01
- 119Mossy Abyss USAAlaska Dall Island 0.14230.14515156.97Alaskan Caver 2016-06
- 120McBride's Cave (1345) USAAlabama Jackson 1.752821.18513156.36Georgia Underground V32N4P38 1996-09
- 121Small Cave (1096) USAAlabama Jackson 0.961540.14513156.36Georgia Underground V24N1 1987-03
- 122Wilkson Hollow Horror Hole USATennessee Franklin 2.263635.51512156.06TCS 1996-01
- 123Elmos Canyon (1735) USAAlabama Jackson 0.931496.69512156.06Georgia Underground V32N4P37 1996-09
- 124Summers Double Pot (1538) USAAlabama Jackson 0.641023.54512156.06Georgia Underground V32N4P37 1996-09
- 125Rendezous Peak Cave USAWyoming Teton 0.26415.21512156.06Caves of Wyoming 1976-03
- 126Baby Hog Horror Hole USATennessee Franklin 0.761219.2510155.4TCS-Moni2025-08
- 127Potential Pit / Langston Cave (1558) USAAlabama Jackson 0.761219.88510155.45Georgia Underground V29N3P18-19 1992-09
- 128Newton Cave USAWashington King 0.19304.17510155.45David Mischke e-mail 2016-05
- 129Lilburn Cave (N.P.) USACalifornia Tulare 22.1735679508154.84Jed Mosenfelder e-mail 2019-01
- 130Sipapu Caverns USAArizona Coconino 0.000504153.62NSS Long and Deep Cave List 2017-06
- 131Mad As A Wet Hen Pit (2147) USAAlabama Jackson 0.861384.04502153.01Deep Caves of TAG, John Stembel 2016-10
- 132Siberian Sword Cave USAAlaska Heceta Island 0.20321.87501152.7Marcel LaPerriere e-mail 1998-08
- 133Microwave-A-Hole System (1927) USAAlabama Jackson 2.654267.98500152.4ACS 1985-03
- 134Cave of the Madonna USANew Mexico Eddy 1.893048.1500152.4Dave Belski e-mail 2016-03
- 135Hickey Pot USATennessee Warren 1.542481.61500152.4Tenn.Cave Survey 2015-02
- 136Stoned Well (1578) USAAlabama Jackson 0.51822.37498151.79Alabama Cave Survey 1985-03
- 137Fowler Pit 2 / Bleeding Ghyll Cave (655) USAAlabama Jackson 0.921477.38497151.49Alabama Cave Survey 1985-03
- 138Ram's Horn Cave USAMontana Meagher 0.901448.41496151.18NSS Conv. 2017-06
UW139Phantom Springs Cave USATexas Jeff Davis 1.953135.5493150.27Texas Speleological Survey via Jerry Atkinson e-mail 2016-01
- 140Illiad / Odyessy Cave System (1568) USAAlabama Jackson 1.662676.34493150.27ACS 1995-03
- 141Moonprobe Cave USAAlaska Dall Island 0.13214.04493150.27NSS News V53N2P34 1995-02
- 142Gap Cave System (Cudjo's) (C.G.N.H.P.) USAVirginia Lee 19.8832000491149.66Bob Gulden (CRF) 2019-04
- 143Turkey Roost Cave USAWest Virginia Pocahontas 2.844572.15490149.35WVASS Database 2016-05
- 144Sewanee Plunge USATennessee Franklin 0.821323.1490149.4TCS-Moni2025-08
- 145Bear-Hanna Cave (2100) USAAlabama Jackson 1.161868.45488148.74Georgia Underground V32N4P38 1996-06
- 146Organ Cave System USAWest Virginia Greenbrier 38.4561882.5486148.13WVASS Database 2016-05
- 147P-Bar (PeBar) Cave USAWyoming Big Horn 1.852978.9486148.13Tomes 2017-05
- 148Vanishing River Cave USANew Mexico - 0.26418.43485147.83Dave Belski e-mail 2016-03
- 149Laurel Caverns USAPennsylvania Fayette 4.146666.89476145.08Ryan Maurer e-mail 2022-07
- 150Rumbling Falls Cave. USATennessee Van Buren 16.0925895.95474144.48Marion O.Smith per TCS 2015-02
- 151Bad Medicine Cave USAWyoming Big Horn 1.913073.85472143.87Marc Ohms e-mail 1999-09
- 152Spasm Chasm USATennessee Marion 1.442319.06472143.87Tenn.Cave Survey 2015-02
- 153Roaring River USAMissouri Barry 0.43687472143.87FB 2021-11
- 154Keystone River Cave USATennessee Van Buren 3.635840.31471143.56Tenn.Cave Survey 2015-02
- 155Tanglefoot Cave USAMaryland Allegany 2.123418.25470143.26Corey Hackley e-mail 2023-10
- 156Twenty Pound Tick Cave USAColorado Garfield 1.081738.09469142.95Rocky Mtn. Caving 1993-07
- 157Guy's Cave (1078) USAAlabama Jackson 0.821319.66468142.65ACS 2017-06
- 158Hole 19 USAMaryland Allegany 1.772848.54466142.04Donnie Cams FB 2020-12
L159Under the Wall Cave USAHawaii Hawaii 2.744403.2463.9141.4Doug Medville e-mail 1999-10
- 160Seabolt-Spence Cave System USAVirginia Smyth 0.59945462.6141VSS 2019-11
- 161Cairn Blowhole (Pit) (2290) USAAlabama Jackson 1.522438.16460140.21Georgia Underground V32N4P38 1996-09
L162Middle Hapuu USAHawaii Hawaii 1.302098.6460140.2Peter Bosted e-mail 2016-09
- 163Deep Cave USANew Mexico Eddy 0.60967.22460140.21Dave Belski e-mail 2016-03
- 164Thunder Hole (1435) USAAlabama Jackson 0.32519.82460140.21Georgia Underground V32N4P38 1996-09
- 165Polygamys End Cave USAUtah Cache 0.14222.09459139.9www.caves.org/grotto/timpgrotto/ 2016-01
- 166Sinking Cove CaveUSATennessee Franklin 5.358609.99457139.29Rick Buice 1989-09
- 167Buckeye Cave (779) USAAlabama Jackson 1.031664.06457139.29Georgia Underground V24N1 1987-03
- 168Gourdneck Cave USATennessee Marion 3.635846.1456138.99Gerald Moni email2025-07
- 169Tumbling Rock Cave (171)USAAlabama Jackson 6.029691.47454138.38Georgia Underground V32N4P38] 1996-09
- 170Blunder Hole (3333) USAAlabama Jackson 0.721158.73453138.07Georgia Underground V31N4P3 1995-11
- 171Wash Pot (1353) USAAlabama Jackson 0.32516.6453138.07Georgia Underground V29N3P18-19 1992-09
- 172Sinuos System Cave USAAlaska Heceta Island 0.000453138.07Marcel LaPerriere e-mail 1998-09
173Rustys Resounding Rock DropUSATennesseeFranklin0.41659.6452137.8TCS-Moni2025-08
- 174Gilley Cave USAVirginia Lee 4.557314.47450137.16VSS 2017-05
- 175Hairy Pit / Flowing Spring Cave (847) USAAlabama Jackson 1.522438.16450137.16Georgia Underground V32N4P38 1996-09
- 176Doodlebug Hole / Blowing Cave (195) USAAlabama Jackson 1.392243.43450137.16ACS 2016-05
- 177Real Well USATennessee Marion 0.731181.4449136.9TCS-Moni2025-08
L178Lower Hualalai Ranch Cave USAHawaii Hawaii 2.193525448.2136.6Nevin Davis, HSS No. 19, Pg 13, 2006. Segment length calculated by Doug Medville and John Rosenfeld from survey files in 2018 2021-01
- 179Bird Horror Hole (2508) USAAlabama Jackson 0.44712.94447136.25Georgia Underground V29N3P18-19 1992-09
- 180Walking Fern Pit (1598) USAAlabama Jackson 0.38605.11447136.25Georgia Underground V32N4P38 1996-09
- 181Hummel's Cave USACalifornia Fresno 0.19297.73447136.25Bob Richards 1990-01
L182Redemption Cave USAHawaii Hawaii 1.712749446.2136Doug Medville e-mail 2018-03
G183Triple Engle PitUSANew Mexico De Baca 1.542485442134.7Dave Belski e-mail 2016-03
- 184Schoolhouse USAWest Virginia Pendleton 1.652654.73439133.81Gordon Brace e-mail 2016-10
- 185Whiteoak Blowhole USATennessee Blount 1.151855.57439133.81Georgia Underground V32N4P38 1996-09
- 186Mill Creek Crystal Cave USAMontana Park 1.352172.61435132.59James Cummins e-mail 2016-08
- 187Shinaberry Cave USAWest Virginia Pocahontas 1.001610.95435132.59WVASS 2017-06
- 188Bennett Cove Cave (2174) USAAlabama Jackson 0.61986.53435132.59ACS 2016-06
- 189French Creek Cave USAMontana Beaverhead 1.832946.71434132.28Caves of Montana 1978-03
- 190Jim Cave (273) USAAlabama Jackson 0.59941.47432131.67Georgia Underground V32N4P38 1996-09
- 191Twenty Three Dollar Pit (996) USAAlabama Jackson 0.38611.55432131.67Georgia Underground V29N3P18-19 1992-09
- 192Mill Hole (745) USAAlabama Jackson 1.111792.81431131.37Georgia Underground V29N3P18-19 1992-09
- 193Battered Bar Cave USAVirginia Bath 1.612591.04430.9131.34Nathan Farrar e-mail 2017-07
- 194Bucks Pocket Cave (432) USAAlabama Jackson 1.141828.21430131.06ACS 2016-06
UW195Cathedral-Falmouth System USAFlorida Suwannee 11.7418893.7429.1130.8Andrew Pitkin e-mail 2022-01
- 196Solution Rift USATennessee Marion 1.011630.27429130.76TDCL 1992-09
- 197Crystal Palace Cave USAAlaska P.O.W. Island 0.000429130.76NSS News
198Kimble Pit CaveUSAWest Virginia Pendelton10.0316141.7428130.5GVKS(Germany Valley Karst Survey), WVASS2024-12
- 199El Capitan Cave USAAlaska P.O.W. Island 2.373809.32428130.45NSS Caves Files - Dick Blenz 2016-10
- 200Pig Hole USAVirginia Giles 1.181899.03428130.45VSS 1989-02
- 201Kimble Pit USAWest Virginia Pendleton 9.2214838.15427130.14Corey Hackley e-mail 2021-11
- 202Scott Cave USAWest Virginia Monroe 1.001609.34426129.84Mike Dore 1985-10
- 203Better Forgotten Cave USAVirginia Highland 0.951524.05426129.84BCCS 1995-07
- 204Cyclops Cave USAVirginia Russell 7.0811394.16424129.24J.Christie e-mail 2016-06
- 205Dark Well (1945) USAAlabama Jackson 0.44706.5421128.32Georgia Underground V29N3P18-19 1992-09
- 206Reaper's Rockpile (gravity-slide cave) USAMontana Teton 0.14228.53419127.71Jason e-mail 2016-10
- 207Paradox Cave USATennessee VanBuren 1.712743.93418127.41Georgia Underground V32N4P38 1996-09
- 208Warner Noisy Blower USAWest Virginia Pendleton 0.781256.93417.5127.25Dwight Livingston e-mail 2019-12
- 209Vast Caverns (1860) USAAlabama Jackson 0.31490.85417127.1Georgia Underground V29N3P18-19 1992-09
- 210Crystal 67 Cave USACalifornia Tulare 0.39622.82415126.49California Caver V33N1 1982-03
- 211Sherwood Spring Cave USATennessee Franklin 0.721163.12414126.19Deep Caves of TAG, John Stembel 2016-10
- 212Grim Rock Cave USAVirginia Giles 0.42679413125.88VSS 2017-06
- 213Main Well USATennessee Marion 1.332133.6412125.6TCS-Moni2025-08
- 214The Cave That Summer Forgot USAMontana Flathead 0.33537.52412125.58Jason Ballensky e-mail 2016-08
- 215Trice Hollow Pit (2012) USAAlabama Jackson 0.761226.32411125.27Georgia Underground V29N3P18-19 1992-09
L216Little Red RiverUSAWashington Skamania County0.751200.0411125.26Garry Petrie e-mail 2023-01
- 217LilyGuard Cave USAMontana Judith Basin 0.41659.83410124.97Rick Brinkman e-mail 2016-05
- 218Will's Welch Well (1748) USAAlabama Jackson 0.25407.16410124.97Deep Caves of TAG, John Stembel 2016-10
- 219Twist of Fate Pit USAAlabama Jackson 0.09143.23408124.36NSS News V72N1 2016-01
- 220Mammoth Cave System (N.P.) USAKentucky Ed./Hart/Bar. 426.00685581407.2124.1Facebook2022-12
UW221Weeki Wachee Spring USAFlorida Hernando 6.7910930407124.05Andrew Pitkin e-mail 2019-10
- 222Breathing Cave USAVirginia Bath 6.7410847406.8124Gangsta Mappers 2018-01
- 223Russell Cave (N.M.) (169) USAAlabama Jackson 11.6118675.71405.8123.7Jason Richards 2017-11
L224Wooden Ladder Cave USAHawaii Hawaii 0.761219.9405.8123.7Doug Medville 2016-01
- 225Water Well (1747) USAAlabama Jackson 0.55891.58402122.53Georgia Underground V29N3P18-19 1992-09
- 226Wet CaveUSATennessee Franklin 1.412275.61401122.22Gerald Moni email2025-07
- 227Fort-Peebles Cave USATennessee Franklin 1.231985.93401122.22Gerald Moni email2025-07
- 228Oregon Caves USAOregon Josephine 3.034876.31400121.92Steve Knutson 1985-01
- 229Icy Fate Cave USAAlaska Heceta Island 0.621002.62400121.92Marcel LaPerriere e-mail 1998-08
- 230Mega Well (2310) USAAlabama Jackson 0.51814.33400121.92ACS 2016-06
L231Upper Owl Cave USAHawaii Hawaii 1.953135399121.6Doug Medville e-mail 2017-04
- 232Sub-Solomon Cave USATennessee Franklin 0.851364.3397121TCS-Moni2025-08
L233Coffee Cave USAHawaii Hawaii 0.711134.6397121Doug Medville e-mail 2015-02
L234Caterpillar Cave USAHawaii Hawaii 1.061703393.7120Doug Medville 2018-03
- 235Black Abyss (Palute Cave) USAArizona Coconino 0.13215393.7120Nicolas Barth e-mail 2020-12
- 236Middle Earth Cave USAWest Virginia Greenbrier 1.241997.96389.7118.78WVASS Bulletin #24 2020-06
- 237Wizard's Well Cavern USATexas Terrell 1.252006.85388118.26Texas Speleological Survey via Jerry Atkinson e-mail 2016-01
- 238Sinnett - Thorn Mtn. Cave System USAWest Virginia Pendleton 2.333748.16386117.65Paul Stevens 1979-07
- 239Walt Allen (Baxters) Cave USAWest Virginia Pocahontas 0.881417.83385117.35WVASS 1981-02
- 240Stagebarn Crystal Cave USASouth Dakota Meade 12.1519553.5383.6116.92Derek Wolfe e-mail 2023-11
- 241Marvel Cave USAMissouri Stone 1.272043.87383116.74M.S.S. Hoffman 2015-02
- 242Cave Mtn. Cave USAWest Virginia Pendleton 2.203540.56382116.43Bob Gulden 2016-06
L243Two Owl Cave USAHawaii Hawaii 3.135040381.9116.4Peter Bosted via Doug Medville e-mail 2017-04
- 244Run to the Mill Cave USATennessee Cumberland 2.934708.94381116.13Buddy Lane 1986-07
- 245Skydusky Hollow Cave System (Newberry - Bane - Buddy Penley Cave) USAVirginia Bland 9.0014484.1380115.82Ed Devine 2021-11
- 246Leandras Cave USAArizona Coconino 9.5515364.41378115.21map at park Headquarters via Greg e-mail 2016-06
247No Business Blowing CaveUSATennesseeFranklin0.751209.1377114.9TCS-Moni2025-08
UW248Goodenough Spring USATexas Val Verde 0.11178.64377114.91Texas Speleological Survey via Jerry Atkinson e-mail 2016-01
249Milk Horror HoleUSATennesseePutnam0.38603.8375114.3TCS-Moni2025-08
- 250Nunley Mountain CaveUSATennessee Grundy 20.1032347.8372113.4Gerald Moni email2025-07
- 251Cottonwood Cave USANew Mexico Eddy 2.223577.57370112.78Dave Belski e-mail 2016-03
- 252Poia Lake Cave USAMontana Glacier 1.041670.5370112.78Alpine Karst V2P67-85 2016-06
- 253Banes Spring Cave USAVirginia Bland 3.866212.1368.8112.4Ed Devine 2021-11
- 254Camps Gulf CaveUSATennessee Van Buren 8.1213060.7368112.17Gerald Moni email2025-07
- 255Grassy Cove Saltpeter CaveUSATennessee Cumberland 7.8912702.55367111.86Deep Caves of TAG, John Stembel 2016-10
- 256Fisher Ridge Cave System USAKentucky Hart 134.20215908.8366.44111.7Chip Hopper e-mail 2024-05
- 257Robinson Ridge Saltpeter CaveUSATennessee Cannon /Coffee 3.705948.14365111.25Tenn.Cave Survey 2015-02
L258Keokeo 8D-16J USAHawaii Hawaii 1.252017362.5110.5Peter Bosted HSS 2016 no. 39 (note #2); Update T. Gracanin 2021-01
- 259Whitaker Sink USAMontana Judith Basin 0.24384360.91102018 NSS Convention Guide Book 2010-07
L260Kaumana Cave USAHawaiiHawaii2.033260360.6109.9Peter Bosted 1 Jun 2019 email to T Gracanin2019-06
- 261Geiger Cave / Houston Hollow (459) USAAlabama Jackson 2.063320.08360109.73Deep Caves of TAG, John Stembel 2016-10
- 262New River Cave USAVirginia Giles 6.4910441.96359109.42Dave West email2024-07
- 263Starnes Cave USAVirginia Giles 4.407081.11359109.42VSS Long & Deep Cave Lists 2015-02
L264Motheleum CaveUSAHawaiiHawaii0.781251357.6109Doug Medville2018-03
265Heart of Gould CaveUSATennessee White County6.219994.03356108.5Zeke McKee, Facebook2024-01
- 266Qalgal Cave USAMontana Flathead 0.49794353107.62018 NSWSW Convention Guide Book 2010-07
- 267Flower Pot USAWest Virginia Randolph 3.695936.87352107.29WVASS Database 2016-05
UW268Wakulla Cave System USAFlorida Leon/Wakulla 44.8372171350106.68Casey McKinlay e-mail 2023-04
- 269Byer's Cave System USAGeorgia Dade 5.508851.39350106.68Grorgia Underground V24N1 1987-03
- 270Millers Cove Cave USAVirginia Roanoke 2.504023.36350106.68Phil Lucas e-mail 2016-07
UW271Sally Ward Cave USAFlorida Wakulla 1.362195.15350106.68Caves and Karst of Florida, 2008 NSS Convention 2016-07

The Online Guide to Cave Exploring