USA DEEPEST CAVES   Compiled by: Bob Gulden - August 1, 2022
Text Box: ParseText Box: Parse
Caves Mapped/Surveyed with 350+ feet of vertical
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Do not ask for cave locations, I will not give them out.
TYPE: CT=CHALK & TUFA & Laterite , C=CONGLOMERATE, G=GYPSUM, L=LAVA, Q=SANDSTONE & QUARTZITE, S=SALT, T=TALUS, BOULDER & GRANITE, UW=UNDERWATER
 
      LENGTH DEPTH    
TYPE RANK CAVE NAME STATE COUNTY MILES METERS FEET METERS SOURCE DATE
L 1 Kazumura Cave                     (Lava Tube) Hawaii Hawaii 40.700 65500.00 3613.8 1101.50 HSS Newsletter N9P7 06/16
L 2 Delissea Cave System Hawaii Hawaii 29.210 47008.94 3610.0 1100.33 Peter Bosted e-mail 02/20
L 3 Umi'i Manu System                  Hawaii Hawaii 2.415 3886.60 1869.1 569.70 Doug Medville 02/00
- 4 Tears of the Turtle Cave Montana Flathead 1.488 2394.80 1863.0 567.84 Jason Ballensky & Peter Johnson e-mail 08/19
L 5 Hue Hue (Manini Owali) Cave                       Hawaii Hawaii 6.711 10800.30 1623.0 494.70 Stephan Kempe 10/99
- 6 Lechuguilla Cave   (C.C.N.P.) New Mexico Eddy 150.400 242045.33 1588.6 484.20 Hazel Barton e-mail 01/20
- 7 Virgil The Turtle's Great House Cave Montana Flathead 1.022 1644.75 1586.0 483.41 Bodenhamer, Ballensky, Rykwalder, Sainsbury via e-mail 07/16
- 8 Columbine Crawl Wyoming Teton 2.301 3703.10 1551.0 472.74 Warren Anderson e-mail 01/16
L 9 Hualalai Ranch Cave                Hawaii Hawaii 15.048 24217.00 1449.1 441.70 Doug Medville e-mail 03/16
L 10 Emesine Cave (1881 System)         Hawaii Hawaii 12.890 20744.40 1433.1 436.80 Don Coons e-mail 03/16
- 11 Great EX(pectations) Cave Wyoming Washakie 7.854 12639.79 1408.0 429.16 NSS News V44N6 (Peter Shifflett) 06/86
- 12 Loaded Dice Cave Wyoming Teton 1.048 1687.23 1395.7 425.42 Bridger-Teton Cave Project 9/21
- 13 Little Brush Creek Cave Utah Uintah 6.250 10058.40 1306.0 202.00 Matt Paulson FB 7/22
- 14 Main Drain Cave Utah Cache 2.530 4071.64 1306.0 398.07 Tony Grove Cave Project 08/16
- 15 Omega System Virginia Wise 29.430 47362.99 1263.0 384.96 Mike Ficco e-mail 06/16
- 16 Bigfoot Cave California Siskiyou 16.250 26151.84 1205.0 367.28 Scott Linn e-mail 10/16
- 17 Neffs Canyon Cave Utah Salt Lake 0.760 1223.10 1163.0 354.48 www.caves.org/grotto/timpgrotto/ 05/89
L 18 Pahoa Cave(s) (segmentation??)     Hawaii Hawaii 9.942 16000.10 1149.9 350.50 Dr. 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. 05/16
L 19 Manu Nui Lava Tube           Hawaii Hawaii 2.150 3460.10 1143.0 348.40 NSS NEWS V65N10P21 09/16
- 20 Ellisons Cave Georgia Walker 12.127 19516.51 1063.0 324.00 Georgia Underground V24N1 03/87
L 21 Ainahou Ranch Cave     Hawaii Hawaii 4.418 7110.00 1059.7 323.00 Stephan Kempe e-mail                           04/19
- 22 Carlsbad Cavern   (C.C.N.P.) New Mexico Eddy 39.500 63569.09 1035.0 315.47 Vidio on liine 12/19
L 23 Keamoku Hawaii Hawaii 4.115 6623.00 1030.0 314.00 Gerald Favre, HSS no 35, pg 13, 2014 1/14
- 24 Tickle Me Turtle Cave (Portal 3) Montana Flathead 0.761 1224.71 1027.0 313.03 Jason Ballensky e-mail 08/16
L 25 Kahawaihapapa Cave Hawaii Maui 0.586 943.00 1023.6 312.00 Bob Richards e-mail 08/20
- 26 Silvertip Cave System Montana Flathead 10.160 16350.94 997.4 304.00 Jason Ballensky e-mail 5/22
- 27 Scapegoat Cave System (Green Fork Falls Cave - Kathys Icebox Cave) Montana Lewis & Clark 3.300 5310.84 977.0 297.79 Michael McEachern FB 10/21
L 28 Kipuka Kanohina Cave (Kula Kai Caverns)  Hawaii Hawaii 26.104 42010.00 944.9 288.00 Kanohina Data Manager - Tomislav Gracanin e-mail 06/19
- 29 Bull Cave Tennessee Blount 2.272 3656.43 924.0 281.64 Mark Lassiter 08/98
- 30 Nielsons Well / Cave Utah Cache 1.420 2285.27 880.0 268.22 www.caves.org/grotto/timpgrotto/ 01/16
L 31 Kauhako Crater  (Vauhako)         (Lava Pit) Hawaii Molokai 0.000 0.00 865.2 263.70 Earl Neller via Halliday(Water filled) 07/97
L 32 Na One Pit(Pit 6083,Pelee's Abyss) (Lava Pit) Hawaii Hawaii 0.000 0.00 861.9 262.70 Dave Bunnell 04/94
- 33 Big Brush Creek Cave Utah Uintah 6.160 9913.56 858.0 261.52 Matt Paulson FB 1/22
- 34 Rich Mountain Blowhole Tennessee Blount 2.185 3516.42 840.0 256.03 Tenn.Cave Survey 02/15
L 35 Hookena Civil Defense Cave Hawaii Hawaii 5.296 8523.00 839.9 256.00 Peter Bosted e-mail 08/18
- 30 Papoose Cave Idaho Idaho 3.250 5230.37 833.0 253.90 Daryl Greaser e-mail 01/19
- 31 Jewel Cave    (N.M.) South Dakota Custer 212.430 341872.94 832.1 253.62 Dan Austin e-mail 4/22
- 32 Chestnut Ridge Cave System Virginia Bath 22.063 35507.00 813.6 248.00 BCCS 10/19
- 33 Sunray - Sunset Cave System Montana Flathead 0.832 1338.97 801.0 244.14 NSS Long and Deep Cave List 06/17
- 34 Viva Silva Cave Alaska Heceta Island 0.000 0.00 797.0 242.93 Marcel LaPerriere e-mail 08/98
L 35 Big Red Cave                       Hawaii Hawaii 2.241 3606.50 759.8 231.60 Doug Medville e-mail 09/16
- 36 Spanish Cave Colorado Custer 1.090 1754.18 741.0 225.86 Richard Rhinehart e-mail 05/16
L 37 Ka'eleku Caverns                   Hawaii Maui 1.772 2851.80 737.9 224.90 Bob Richards e-mail 12/99
- 38 Hellhole System West Virginia Pendleton 43.600 70167.40 737.0 224.64 GVKS 02/20
I 39 Snow Dragon Cave (Glacier cave, melting away) Oregon Clackamas 0.464 747.10 735.9 224.30 Matt Skeels, Oregon High Desert Grotto e-mail 04/20
- 40 Sugar Run Cave System Virginia Giles 22.550 36291.00 718.0 218.85 VSS 02/15
I 41 Pure Imagination Cave (Glacier cave, melting away) Oregon Clackamas 0.548 881.15 708.5 215.95 Matt Skeels, Oregon High Desert Grotto e-mail 04/20
- 42 Simmons Mingo - My Cave System West Virginia Rand./Pocahon. 6.700 10782.60 683.0 208.18 Bob Thrun 06/82
- 43 Overholts Blowing Cave West Virginia Pocahontas 7.811 12570.59 666.0 203.00 Gary Storrick 01/16
- 44 Dorton Knob Smoke Hole Tennessee Cumberland 1.068 1717.98 660.0 201.17 TCS -  Chris Kerr 01/96
- 45 SnowHole Alaska P.O.W. Island 0.516 830.42 652.0 198.73 NSS NEWS V69N1P26 01/16
- 46 Lost Creek Siphon Montana Park 0.189 304.17 650.0 198.12 Jay Kennedy e-mail 02/15
L 47 Beach Park Cave Hawaii Hawaii 4.705 7572.00 649.6 198.00 Peter Bosted e-mail 08/18
- 48 Butler-Sinking Creek System Virginia Bath 18.060 29064.75 644.3 196.38 Tont Canike email 09/16
- 49 Fossil Mtn.Ice Cave - Wind Cave System Wyoming Teton 2.900 4667.10 644.0 196.29 NSS Conv. 1988 05/88
- 50 Flathead Alps Cave Montana Powell 0.000 0.00 642.0 195.68 Philip Rykwalder e-mail 08/16
- 51 Wind Cave     (N.P.) South Dakota Custer 161.700 260230.92 636.0 193.85 Macrc Ohms FB 3/22
- 52 Jewett II Cave Tennessee Cumberland 3.349 5389.69 636.0 193.85 Charles Clark 07/86
- 53 MeanderBelt Cave Montana Flathead 0.723 1163.56 633.0 192.94 Michael McEachem e-mail 04/17
L 54 Lower Delissea    Hawaii Hawaii 2.208 3553.40 632.9 192.90 Peter Bosted e-mail 09/16
- 55 Rawhide Horror Hole Tennessee Franklin 1.136 1828.21 630.0 192.02 Tenn.Cave Survey 02/15
- 56 Doe Mountain Cave Virginia Giles 2.712 4364.54 628.0 191.41 Bill Balfour e-mail 02/99
- 57 El Capitan Pit Alaska P.O.W. Island 0.211 339.57 625.0 190.50 Georgia Underground V28N4 05/92
L 58 Lama Lua System             Hawaii Hawaii 3.447 5547.40 623.0 189.90 Doug Medville e-mail 04/17
- 59 Double Bopper Cave Arizona Coconino 40.600 65339.00 618.0 188.37 Shane McCurdy e-mail 03/19
- 60 Jewett I Cave Tennessee Cumberland 1.788 2877.51 615.0 187.45 Charles Clark 07/86
- 61 Friars Hole Cave System West Virginia Green./Pocoho. 50.510 81287.97 613.0 186.84 West Virginia Cave V40N3 5/22
L 62 Keala Cave                         Hawaii Hawaii 5.410 8706.60 609.9 185.90 Stephan Kempe, IUS Com. on Vol.Cave NL 12/99
- 63 Thompson Valley Cave System (Corkscrew Cave) Virginia Tazewell 8.600 13841.00 603.7 184.00 VSS 11/19
- 64 MOS Cave / Obscure Magnificence (2697) Alabama Jackson 1.001 1610.95 603.0 183.79 Deep Caves of TAG, J.Stembel 10/16
- 65 Dulaneys Cave Virginia Giles 4.435 7138.00 601.0 183.18 VSS  05/16
L 66 The Great One Crack                  (Lava Crack) Hawaii Hawaii 0.439 706.50 600.1 182.90 NSS NEWS V68N12P9 02/15
L 67 Ape Cave   (Lava Tube) Washington Skamania County 2.573 4141.00 598.0 182.27 Garry Petrie e-mail 3/21
- 68 Great Savannah Cave System West Virginia Greenbrier 51.120 82269.67 587.9 179.20 Dave & Nick  Socky FB 5/22
- 69 Double Date Cave Montana Flathead 1.540 2478.39 582.0 177.39 Jason Ballensky e-mail 12/16
- 70 Three Fingers Cave New Mexico Eddy 3.700 5954.57 581.0 177.09 Rocky Mountain  Caving V8N3P22 SUM91
L 71 Cody Borehole                      Oregon Deschutes 0.798 1284.30 580.1 176.80 Garry Petrie 04/94
- 72 Memorial Day Cave West Virginia Pendleton 29.030 46719.26 579.2 176.54 GVKS 12/20
- 73 Greenhouse Cave Montana Flathead 0.000 0.00 578.0 176.17 Philip Rykwalder e-mail 08/16
- 74 Lewis and Clark Caverns Montana Jefferson 1.906 3067.41 577.0 175.87 The Explorer P34 - Bob Richards 03/85
- 75 Blowing in the Wind Cave Alaska P.O.W. Island 1.144 1841.09 577.0 175.87 Alaskan Caver V18N2P24, Carlene Allred 04/98
- 76 Virgin Cave New Mexico Eddy 4.140 6662.68 573.4 174.77 Paul Burger e-mail 2/22
- 77 Scott Hollow Cave West Virginia Monroe 29.500 47475.65 571.0 174.04 WVASS Spring Meeting 05/16
- 78 Tony Sinks - Cox Cave           (78) Alabama Jackson 2.367 3809.32 570.0 173.74 Georgia Underground V32N4P37 09/96
- 79 Sorcerer's Cave Texas Terrell 2.181 3509.98 570.0 173.74 Texas Speleological Survey via Jerry Atkinson e-mail 01/16
- 80 Youngs Creek Blowhole Tennessee Franklin 1.610 2591.04 568.0 173.13 Deep Caves of TAG, John Stembel 10/16
L 81 Keokeo 16S-Y Hawaii Hawaii 1.371 2206.00 567.6 173.00 Peter Bosted e-mail 08/18
- 82 Moon Ray Cave Montana Flathead 0.000 0.00 567.0 172.82 Philip Rykwalder e-mail 08/16
- 83 Scott's Barn Cave / Bloodstone  (907) Alabama Jackson 1.536 2471.95 563.0 171.60 Tom Moss 12/95
L 84 Ka'awaloa Hawaii Hawaii 2.018 3247.00 561.0 171.00 Peter Bosted e-mail 08/18
- 85 Gary Self Pit                          (290) Alabama Jackson 2.314 3724.02 560.0 170.69 ACS 08/87
- 86 Kelly Ridge Cave Tennessee Blount 0.852 1371.16 559.0 170.38 TCS -  Steve Pierce 07/86
- 87 Bloody Elbow Cave Alabama Madison 1.202 1934.43 558.0 170.08 Julie Schenck Brown 05/16
T 88 Hurricane Cave        (Granite Boulder/Talus) Colorado Teller 0.733 1180.00 553.1 168.60 Cascade Caver V35N6P45 06/96
- 89 Hells Below Cave New Mexico Eddy 1.894 3048.10 550.0 167.64 Dave Belski e-mail 03/16
- 90 Ain't No Cave                              (2312) Alabama Jackson 0.742 1194.13 549.0 167.34 Speleo Digest 02/15
- 91 Church Cave California Fresno 3.996 6430.94 547.0 166.73 David Engel e-mail 09/99
- 92 Paint Rock River Cave            (2934) Alabama Jackson 1.817 2924.18 539.0 164.29 Deep Caves of TAG, John Stembel 10/16
- 93 Fern Cave                           (597) Alabama Jackson 15.630 25154.05 536.0 163.37 Fern Cave Project 06/17
- 94 Luminary Pit Tennessee Bledsoe 1.371 2206.41 535.0 163.07 Buddy Lane 07/86
- 95 The Kids Cave                              (2410) Alabama Jackson 1.042 1676.94 530.0 161.54 NSS News 06/89
L 96 Kaupulehu Crater Cave    (part of Manu Nui ?)  Hawaii Hawaii 0.676 1087.90 529.9 161.50 Peter Bosted e-mail 01/16
- 97 Hang 'Em High Cave Tennessee Marion 3.665 5898.25 528.0 160.93 NSS News V50N1P6-18 01/92
- 98 Stolen Well / Davis Cove Cave  (1518) Alabama Jackson 1.291 2077.66 528.0 160.93 Georgia Underground V29N3 09/92
L 99 Kaupulehu System                   Hawaii Hawaii 2.714 4367.00 526.9 160.60 Doug Medville e-mail 12/20
- 100 Wind Cave (Wolfpen-Hollow Blowhole) West Virginia Grant 5.170 8320.31 526.0 160.32 WVASS Database 05/16
- 101 Grunge Plunge Tennessee Washington 1.136 1828.21 526.0 160.32 Clinton Elmore  on Facebook 07/16
- 102 Engle Double Pit                   (266) Alabama Jackson 4.598 7399.76 520.0 158.50 Alabama Cave Survey 05/17
- 103 Arabica-Big Fatty Cave System Alaska Heceta Island 1.412 2272.39 519.0 158.19 Alaskan Caver V19N2P7 , Steve Lewis 04/99
- 104 Bullpasture Mountainside Cave Virginia Highland 0.376 605.11 519.0 158.19 Rick Lambert e-mail 10/16
L 105 The Great Two Crack                  (Lava Crack) Hawaii Hawaii 0.301 484.40 518.0 157.90 NSS NEWS V68N12P15 02/15
- 106 Jewett III Tennessee Cumberland 2.520 4055.10 515.1 157.00 Hinch Mountain Project 09/19
L 107 Many Wall Cave      Hawaii Hawaii 1.930 3106.00 515.1 157.00 Doug Medville, HSS no. 32, pg 6, 2012 1/21
L 108 (Breached) Many Wall Cave      Hawaii Hawaii 1.930 3106.00 515.1 157.00 Doug Medville e-mail 03/16
- 109 Goufffre Tennessee Cumberland 2.131 3429.51 515.0 156.97 TCS 01/96
- 110 Mossy Abyss Alaska Dall Island 0.143 230.14 515.0 156.97 Alaskan Caver  06/16
- 111 McBride's Cave                      (1345) Alabama Jackson 1.753 2821.18 513.0 156.36 Georgia Underground V32N4P38 09/96
- 112 Small Cave                                  (1096) Alabama Jackson 0.957 1540.14 513.0 156.36 Georgia Underground V24N1 03/87
- 113 Wilkson Hollow Horror Hole Tennessee Franklin 2.259 3635.51 512.0 156.06 TCS 01/96
- 114 Elmos Canyon                             (1735) Alabama Jackson 0.930 1496.69 512.0 156.06 Georgia Underground V32N4P37 09/96
- 115 Summers Double Pot                   (1538) Alabama Jackson 0.636 1023.54 512.0 156.06 Georgia Underground V32N4P37 09/96
- 116 Rendezous Peak Cave Wyoming Teton 0.258 415.21 512.0 156.06 Caves of Wyoming 03/76
- 117 Potential Pit / Langston Cave        (1558) Alabama Jackson 0.758 1219.88 510.0 155.45 Georgia Underground V29N3P18-19 09/92
- 118 Newton Cave Washington King 0.189 304.17 510.0 155.45 David Mischke e-mail 05/16
- 119 Lilburn Cave  (N.P.) California Tulare 22.170 35679.00 508.0 154.84 Jed Mosenfelder e-mail 01/19
- 120 Sipapu Caverns Arizona Coconino 0.000 0.00 504.0 153.62 NSS Long and Deep Cave List 06/17
- 121 Mad As A Wet Hen Pit                 (2147) Alabama Jackson 0.860 1384.04 502.0 153.01 Deep Caves of TAG, John Stembel 10/16
- 122 Siberian Sword Cave Alaska Heceta Island 0.200 321.87 501.0 152.70 Marcel LaPerriere e-mail 08/98
- 123 Microwave-A-Hole System      (1927) Alabama Jackson 2.652 4267.98 500.0 152.40 ACS 03/85
- 124 Cave of the Madonna New Mexico Eddy 1.894 3048.10 500.0 152.40 Dave Belski e-mail 03/16
- 125 Hickey Pot Tennessee Warren 1.542 2481.61 500.0 152.40 Tenn.Cave Survey 02/15
- 126 Stoned Well                               (1578) Alabama Jackson 0.511 822.37 498.0 151.79 Alabama Cave Survey 03/85
- 127 Fowler Pit 2 / Bleeding Ghyll Cave (655) Alabama Jackson 0.918 1477.38 497.0 151.49 Alabama Cave Survey 03/85
T 128 Greenhorn System               (Boulder Cave) California Kern 0.594 956.00 497.0 151.50 NSS News V44N4P88 04/86
- 129 Ram's Horn Cave Montana Meagher 0.900 1448.41 496.0 151.18 NSS Conv. 06/17
UW 130 Phantom Springs Cave Texas Jeff Davis 1.948 3135.50 493.0 150.27 Texas Speleological Survey via Jerry Atkinson e-mail 01/16
- 131 Illiad / Odyessy Cave System    (1568) Alabama Jackson 1.663 2676.34 493.0 150.27 ACS 03/95
- 132 Moonprobe Cave Alaska Dall Island 0.133 214.04 493.0 150.27 NSS News V53N2P34 02/95
- 133 Gap Cave System (Cudjo's)   (C.G.N.H.P.) Virginia Lee 19.884 32000.00 491.0 149.66 Bob Gulden (CRF) 04/19
- 134 Turkey Roost Cave West Virginia Pocahontas 2.841 4572.15 490.0 149.35 WVASS Database 05/16
- 135 Bear-Hanna Cave                     (2100) Alabama Jackson 1.161 1868.45 488.0 148.74 Georgia Underground V32N4P38 06/96
- 136 Organ Cave System West Virginia Greenbrier 38.452 61882.50 486.0 148.13 WVASS Database 05/16
- 137 P-Bar (PeBar) Cave Wyoming Big Horn 1.851 2978.90 486.0 148.13 Tomes 05/17
- 138 Vanishing River Cave New Mexico - 0.260 418.43 485.0 147.83 Dave Belski e-mail 03/16
- 139 Laurel Caverns Pennsylvania Fayette 4.143 6666.89 476.0 145.08 Ryan Maurer e-mail 7/22
- 140 Rumbling Falls Cave. Tennessee Van Buren 16.091 25895.95 474.0 144.48 Marion O.Smith per TCS 02/15
- 141 Roaring River Missouri Barry 0.427 687.00 472.0 143.87 FB   11/21
- 142 Bad Medicine Cave Wyoming Big Horn 1.910 3073.85 472.0 143.87 Marc Ohms e-mail 09/99
- 143 Spasm Chasm Tennessee Marion 1.441 2319.06 472.0 143.87 Tenn.Cave Survey 02/15
- 144 Keystone River Cave Tennessee Van Buren 3.629 5840.31 471.0 143.56 Tenn.Cave Survey 02/15
- 145 Tanglefoot Cave Maryland Allegany 1.640 2639.32 470.0 143.26 Corey Hackley e-mail 11/21
- 146 Twenty Pound Tick Cave Colorado Garfield 1.080 1738.09 469.0 142.95 Rocky Mtn. Caving SUM93
- 147 Guy's Cave                                 (1078) Alabama Jackson 0.820 1319.66 468.0 142.65 ACS 06/17
- 148 Hole 19 Maryland Allegany 1.770 2848.54 466.0 142.04 Donnie Cams FB 12/20
L 149 Under the Wall Cave                Hawaii Hawaii 2.736 4403.20 463.9 141.40 Doug Medville e-mail 10/99
- 150 Seabolt-Spence Cave System Virginia Smyth 0.587 945.00 462.6 141.00 VSS 11/19
- 151 Cairn Blowhole (Pit)                  (2290) Alabama Jackson 1.515 2438.16 460.0 140.21 Georgia Underground V32N4P38 09/96
- 152 Baby Hog Horror Hole Tennessee Franklin 0.663 1067.00 460.0 140.21 TDCL 09/92
- 153 Deep Cave New Mexico Eddy 0.601 967.22 460.0 140.21 Dave Belski e-mail 03/16
- 154 Thunder Hole                              (1435) Alabama Jackson 0.323 519.82 460.0 140.21 Georgia Underground V32N4P38 09/96
L 155 Middle Hapuu      Hawaii Hawaii 1.304 2098.60 460.0 140.20 Peter Bosted e-mail 09/16
- 156 Polygamys End Cave Utah Cache 0.138 222.09 459.0 139.90 www.caves.org/grotto/timpgrotto/ 01/16
- 157 Sinking Cove Cave System Tennessee Franklin 5.350 8609.99 457.0 139.29 Rick Buice 09/89
- 158 Buckeye Cave                              (779) Alabama Jackson 1.034 1664.06 457.0 139.29 Georgia Underground V24N1 03/87
- 159 Gourdneck Cave Tennessee Marion 3.584 5768.64 456.0 138.99 Map 2/21
- 160 Tumbling Rock Cave             (171)     (Saltpeter) Alabama Jackson 6.022 9691.47 454.0 138.38 Georgia Underground V32N4P38] 09/96
- 161 Blunder Hole                               (3333) Alabama Jackson 0.720 1158.73 453.0 138.07 Georgia Underground V31N4P3 11/95
- 162 Wash Pot                                   (1353) Alabama Jackson 0.321 516.60 453.0 138.07 Georgia Underground V29N3P18-19 09/92
- 163 Sinuos System Cave Alaska Heceta Island 0.000 0.00 453.0 138.07 Marcel LaPerriere e-mail 09/98
- 164 Gilley Cave Virginia Lee 4.545 7314.47 450.0 137.16 VSS 05/17
- 165 Hairy Pit / Flowing Spring Cave  (847) Alabama Jackson 1.515 2438.16 450.0 137.16 Georgia Underground V32N4P38 09/96
- 166 Doodlebug Hole / Blowing Cave (195) Alabama Jackson 1.394 2243.43 450.0 137.16 ACS 05/16
L 167 Lower Hualalai Ranch Cave Hawaii Hawaii 2.190 3525.00 448.2 136.60 Nevin Davis, HSS No. 19, Pg 13, 2006.  Segment length calculated by Doug Medville and John Rosenfeld from survey files in 2018 1/21
- 168 Bird Horror Hole                         (2508) Alabama Jackson 0.443 712.94 447.0 136.25 Georgia Underground V29N3P18-19 09/92
- 169 Walking Fern Pit                         (1598) Alabama Jackson 0.376 605.11 447.0 136.25 Georgia Underground V32N4P38 09/96
- 170 Hummel's Cave California Fresno 0.185 297.73 447.0 136.25 Bob Richards 01/90
L 171 Redemption Cave           Hawaii Hawaii 1.708 2749.00 446.2 136.00 Doug Medville e-mail 3/18
G 172 Triple Engle Pit                     . New Mexico De Baca 1.544 2485.00 442.0 134.70 Dave Belski e-mail 03/16
- 173 Fort Stanton Cave New Mexico Lincoln 44.570 71728.46 441.0 134.42 Lee H.Skinner e-mail 7/22
- 174 Real Well Tennessee Marion 0.758 1219.88 441.0 134.42 1998 NSS Convention 08/98
- 175 Schoolhouse West Virginia Pendleton 1.620 2607.14 439.0 133.81 Gordon Brace e-mail 10/16
- 176 Whiteoak Blowhole Tennessee Blount 1.153 1855.57 439.0 133.81 Georgia Underground V32N4P38 09/96
- 177 Mill Creek Crystal Cave Montana Park 1.350 2172.61 435.0 132.59 James Cummins e-mail 08/16
- 178 Shinaberry Cave West Virginia Pocahontas 1.001 1610.95 435.0 132.59 WVASS  06/17
- 179 Bennett Cove Cave                    (2174) Alabama Jackson 0.613 986.53 435.0 132.59 ACS 06/16
- 180 French Creek Cave Montana Beaverhead 1.831 2946.71 434.0 132.28 Caves of Montana 03/78
- 181 Jim Cave                                    (273) Alabama Jackson 0.585 941.47 432.0 131.67 Georgia Underground V32N4P38 09/96
- 182 Twenty Three Dollar Pit               (996) Alabama Jackson 0.380 611.55 432.0 131.67 Georgia Underground V29N3P18-19 09/92
- 183 Mill Hole                                   (745) Alabama Jackson 1.114 1792.81 431.0 131.37 Georgia Underground V29N3P18-19 09/92
- 184 Battered Bar Cave Virginia Bath 1.610 2591.04 430.9 131.34 Nathan Farrar e-mail 07/17
- 185 Bucks Pocket Cave                      (432) Alabama Jackson 1.136 1828.21 430.0 131.06 ACS 06/16
UW 186 Cathedral-Falmouth System        Florida Suwannee 11.740 18893.70 429.1 130.80 Andrew Pitkin e-mail 1/22
- 187 Solution Rift Tennessee Marion 1.013 1630.27 429.0 130.76 TDCL 09/92
- 188 Crystal Palace Cave Alaska P.O.W. Island 0.000 0.00 429.0 130.76 NSS News -
- 189 El Capitan Cave Alaska P.O.W. Island 2.367 3809.32 428.0 130.45 NSS Caves Files - Dick Blenz 10/16
- 190 Pig Hole Virginia Giles 1.180 1899.03 428.0 130.45 VSS 02/89
- 191 Kimble Pit West Virginia Pendleton 9.220 14838.15 427.0 130.14 Corey Hackley e-mail 11/21
- 192 Scott Cave West Virginia Monroe 1.000 1609.34 426.0 129.84 Mike Dore 10/85
- 193 Better Forgotten Cave Virginia Highland 0.947 1524.05 426.0 129.84 BCCS 07/95
- 194 Cyclops Cave Virginia Russell 7.080 11394.16 424.0 129.24 J.Christie e-mail 06/16
- 195 Dark Well                                   (1945) Alabama Jackson 0.439 706.50 421.0 128.32 Georgia Underground V29N3P18-19 09/92
- 196 Sewanee Plunge Tennessee Franklin 0.947 1524.05 420.0 128.02 Georgia Underground V32N4P38 09/96
- 197 Reaper's Rockpile   (gravity-slide cave) Montana Teton 0.142 228.53 419.0 127.71 Jason e-mail 10/16
- 198 Paradox Cave Tennessee VanBuren 1.705 2743.93 418.0 127.41 Georgia Underground V32N4P38 09/96
- 199 Warner Noisy Blower West Virginia Pendleton 0.781 1256.93 417.5 127.25 Dwight Livingston e-mail 12/19
L 200 Deadhorse Washington Skamania County 2.735 4402.00 417.0 127.10 Garry Petrie e-mail 3/21
- 201 Vast Caverns                              (1860) Alabama Jackson 0.305 490.85 417.0 127.10 Georgia Underground V29N3P18-19 09/92
- 202 Crystal 67 Cave California Tulare 0.387 622.82 415.0 126.49 California Caver V33N1 03/82
- 203 Sherwood Spring Cave Tennessee Franklin 0.723 1163.12 414.0 126.19 Deep Caves of TAG, John Stembel 10/16
- 204 Grim Rock Cave Virginia Giles 0.422 679.00 413.0 125.88 VSS 06/17
- 205 The Cave That Summer Forgot Montana Flathead 0.334 537.52 412.0 125.58 Jason Ballensky e-mail 08/16
- 206 Trice Hollow Pit                           (2012) Alabama Jackson 0.762 1226.32 411.0 125.27 Georgia Underground V29N3P18-19 09/92
- 207 LilyGuard Cave Montana Judith Basin 0.410 659.83 410.0 124.97 Rick Brinkman e-mail 05/16
- 208 Will's Welch Well                        (1748) Alabama Jackson 0.253 407.16 410.0 124.97 Deep Caves of TAG, John Stembel 10/16
- 209 Twist of Fate Pit Alabama Jackson 0.089 143.23 408.0 124.36 NSS News V72N1 01/16
UW 210 Weeki Wachee Spring   Florida Hernando 6.792 10930.00 407.0 124.05 Andrew Pitkin e-mail 10/19
- 211 Breathing Cave Virginia Bath 6.740 10847.00 406.8 124.00 Gangsta Mappers 01/18
L 212 Little Red River Washington Skamania County 0.746 1200.00 406.0 123.75 Garry Petrie e-mail 3/21
- 213 Russell Cave   (N.M.)        (169) Alabama Jackson 11.605 18675.71 405.8 123.70 Jason Richards   11/17
L 214 Wooden Ladder Cave      Hawaii Hawaii 0.758 1219.90 405.8 123.70 Doug Medville 01/16
- 215 Sub-Solomon Cave Tennessee Franklin 0.711 1144.24 405.0 123.44 TCS 02/15
- 216 Water Well                                 (1747) Alabama Jackson 0.554 891.58 402.0 122.53 Georgia Underground V29N3P18-19 09/92
- 217 Wet Cave / Above (Well) Wet Cave Tennessee Franklin 1.414 2275.61 401.0 122.22 Speleonews V34N3 06/90
- 218 Fort-Pebbles Cave Tennessee Franklin 1.234 1985.93 401.0 122.22 Tenn.Cave Survey 02/15
- 219 Oregon Caves Oregon Josephine 3.030 4876.31 400.0 121.92 Steve Knutson 01/85
- 220 Main Well Tennessee Marion 1.326 2133.99 400.0 121.92 Deep Caves of TAG, John Stembel 10/16
- 221 Icy Fate Cave Alaska Heceta Island 0.623 1002.62 400.0 121.92 Marcel LaPerriere e-mail 08/98
- 222 Mega Well                                (2310) Alabama Jackson 0.506 814.33 400.0 121.92 ACS 06/16
L 223 Upper  Owl Cave      Hawaii Hawaii 1.948 3135.00 399.0 121.60 Doug Medville e-mail 04/17
L 224 Coffee Cave                        Hawaii Hawaii 0.705 1134.60 397.0 121.00 Doug Medville e-mail 02/15
L 225 Caterpillar Cave Hawaii Hawaii 1.058 1703.00 393.7 120.00 Doug Medville 03/18
- 226 Black Abyss (Palute Cave) Arizona Coconino 0.134 215.00 393.7 120.00 Nicolas Barth e-mail 12/20
- 227 Middle Earth Cave West Virginia Greenbrier 1.241 1997.96 389.7 118.78 WVASS Bulletin #24 06/20
- 228 Wizard's Well Cavern Texas Terrell 1.247 2006.85 388.0 118.26 Texas Speleological Survey via Jerry Atkinson e-mail 01/16
- 229 Sinnett - Thorn Mtn. Cave System West Virginia Pendleton 2.329 3748.16 386.0 117.65 Paul Stevens 07/79
- 230 Walt Allen (Baxters) Cave West Virginia Pocahontas 0.881 1417.83 385.0 117.35 WVASS 02/81
- 231 Stagebarn Crystal Cave South Dakota Meade 11.371 18299.89 383.6 116.92 Derek Wolfe e-mail 7/22
- 232 Marvel Cave Missouri Stone 1.270 2043.87 383.0 116.74 M.S.S. Hoffman 02/15
- 233 Cave Mtn. Cave West Virginia Pendleton 2.200 3540.56 382.0 116.43 Bob Gulden 06/16
L 234 Two Owl Cave      Hawaii Hawaii 3.132 5040.00 381.9 116.40 Peter Bosted via Doug Medville e-mail 04/17
- 235 Run to the Mill (Bore Hole) Cave Tennessee Cumberland 2.926 4708.94 381.0 116.13 Buddy Lane 07/86
- 236 Skydusky Hollow Cave System (Newberry - Bane - Buddy Penley Cave) Virginia Bland 9.000 14484.10 380.0 115.82 Ed Devine 11/21
- 237 Leandras Cave Arizona Coconino 9.547 15364.41 378.0 115.21 map at park Headquarters via Greg e-mail 06/16
UW 238 Goodenough Spring   Texas Val Verde 0.111 178.64 377.0 114.91 Texas Speleological Survey via Jerry Atkinson e-mail 01/16
- 239 Cottonwood Cave New Mexico Eddy 2.223 3577.57 370.0 112.78 Dave Belski e-mail 03/16
- 240 Poia Lake Cave Montana Glacier  1.038 1670.50 370.0 112.78 Alpine Karst V2P67-85 06/16
- 241 Banes Spring Cave Virginia Bland 3.860 6212.10 368.8 112.40 Ed Devine 11/21
- 242 Camps Gulf Cave                   (Saltpeter) Tennessee Van Buren 7.807 12564.15 368.0 112.17 Deep Caves of TAG, John Stembel 10/16
- 243 Grassy Cove Saltpetre Cave        (Saltpeter) Tennessee Cumberland 7.893 12702.55 367.0 111.86 Deep Caves of TAG, John Stembel 10/16
- 244 Robinson Ridge Saltpeter Cave     (Saltpeter) Tennessee Cannon /Coffee 3.696 5948.14 365.0 111.25 Tenn.Cave Survey 02/15
L 245 Keokeo 8D-16J Hawaii Hawaii 1.253 2017.00 362.5 110.50 Peter Bosted HSS 2016 no. 39 (note #2); Update T. Gracanin 1/21
L 246 Kaumana Cave                       Hawaii Hawaii 2.026 3260.00 360.6 109.90 Peter Bosted 1 Jun 2019 email to T Gracanin 06/19
- 247 Geiger Cave / Houston Hollow   (459) Alabama Jackson 2.063 3320.08 360.0 109.73 Deep Caves of TAG, John Stembel 10/16
- 248 New River Cave Virginia Giles 5.293 8518.26 359.0 109.42 Tim Kilby 06/16
- 249 Starnes Cave Virginia Giles 4.400 7081.11 359.0 109.42 VSS Long & Deep Cave Lists 02/15
L 250 Motheleum Cave Hawaii Hawaii 0.777 1251.00 357.6 109.00 Doug Medville 03/18
- 251 Heart  of Gould Tennessee White 5.296 8523.43 356.0 108.51 Zeke McKee e-mail 1/22
- 252 Flower Pot West Virginia Randolph 3.689 5936.87 352.0 107.29 WVASS Database 05/16
UW 253 Wakulla-Leon Sinks Cave System           Florida Leon/Wakulla 35.220 56681.10 350.0 106.68 Casey McKinlay e-mail 03/20
- 254 Nunley Mtn.Cave System (Maria Angela Grotto) Tennessee Grundy 15.080 24268.91 350.0 106.68 David Parr per TCS 02/15
- 255 Byer's Cave System Georgia Dade 5.500 8851.39 350.0 106.68 Grorgia Underground V24N1 03/87
- 256 Millers Cove Cave Virginia Roanoke 2.500 4023.36 350.0 106.68 Phil Lucas e-mail 07/16
UW 257 Sally Ward Cave                  Florida Wakulla 1.364 2195.15 350.0 106.68 Caves and Karst of Florida, 2008 NSS Convention 07/16