USA DEEPEST CAVES   Compiled by: Bob Gulden - Oct.17, 2018
Text Box: Parse
Caves Mapped/Surveyed with 400+ feet of vertical
Text Box: Parse
Send updates and corrections to caverbob@aol.com
The NSS Geo2 Long & Deep Caves Web Site is at http://www.caverbob.com           Copyright 2018 NSS Geo2, Bob Gulden NSS#13188LF
Do not ask for cave locations, I will not give them out.
        LENGTH LENGTH DEPTH DEPTH    
# CAVE  NAME STATE COUNTY MILES METERS FEET METERS SOURCE DATE
1 Kazumura Cave                     (Lava Tube) Hawaii Hawaii 40.700 65500 3614 1101.5 HSS Newsletter N9P7 06/16
2 Delissea Cave System Hawaii Hawaii 12.408 19969 1952 595.0 Peter Bosted e-mail 09/16
3 Umi'i Manu System                 (Lava Tube) Hawaii Hawaii 2.415 3887 1869 569.7 Doug Medville 02/00
4 Tears of the Turtle Cave Montana Flathead 1.320 2124 1659 505.7 Jason Ballensky e-mail 12/16
5 Hue Hue Cave                      (Lava Tube) Hawaii Hawaii 6.711 10800 1623 494.7 Stephan Kempe 10/99
6 Lechuguilla Cave   (C.C.N.P.) New Mexico Eddy 138.300 222572 1604 488.9 Stan Allison e-mail 06/16
7 Virgil The Turtle's Great House Cave Montana Flathead 1.022 1645 1586 483.4 Bodenhamer, Ballensky, Rykwalder, Sainsbury via e-mail 07/16
8 Columbine Crawl Wyoming Teton 2.301 3703 1551 472.7 Warren Anderson e-mail 01/16
9 Hualalai Ranch Cave               (Lava Tube) Hawaii Hawaii 17.265 27785 1449 441.7 Doug Medville e-mail 03/16
10 Emesine Cave (1881 System)        (Lava Tube) Hawaii Hawaii 12.890 20744 1433 436.8 Don Coons e-mail 03/16
11 Great EX(pectations) Cave Wyoming Washakie 7.854 12640 1408 429.2 NSS News V44N6 (Peter Shifflett) 06/86
12 Main Drain Cave Utah Cache 2.530 4072 1306 398.1 Tony Grove Cave Project 08/16
13 Omega System Virginia Wise 29.430 47363 1263 385.0 Mike Ficco e-mail 06/16
14 Bigfoot Cave California Siskiyou 16.250 26152 1205 367.3 Scott Linn e-mail 10/16
15 Neffs Canyon Cave Utah Salt Lake 0.760 1223 1163 354.5 www.caves.org/grotto/timpgrotto/ 05/89
16 Pahoa Cave(s) (segmentation??)    (Lava Tube) Hawaii Hawaii 9.942 16000 1150 350.5 Lava Tube Flow e-mails 05/16
17 Manu Nui Lava Tube          (Lava Tube) Hawaii Hawaii 2.150 3460 1143 348.4 NSS NEWS V65N10P21 09/16
18 Ellisons Cave Georgia Walker 12.127 19517 1063 324.0 Georgia Underground V24N1 03/87
19 Silvertip Cave System Montana Flathead 5.815 9358 1052 320.6 Alpine Karst Sum77
20 Carlsbad Cavern   (C.C.N.P.) New Mexico Eddy 32.350 52062 1035 315.5 Lee H.Skinner e-mail 01/16
21 Tickle Me Turtle Cave (Portal 3) Montana Flathead 0.761 1225 1027 313.0 Jason Ballensky e-mail 08/16
22 Bull Cave Tennessee Blount 2.272 3656 924 281.6 Mark Lassiter 08/98
23 Nielsons Well / Cave Utah Cache 1.420 2285 880 268.2 www.caves.org/grotto/timpgrotto/ 01/16
24 Kauhako Crater  (Vauhako)         (Lava Pit) Hawaii Molokai 0.000 0 865 263.7 Earl Neller via Halliday(Water filled) 07/97
25 Na One Pit(Pit 6083,Pelee's Abyss) (Lava Pit) Hawaii Hawaii 0.000 0 862 262.7 Dave Bunnell 04/94
26 Big Brush Creek Cave Utah Uintah 4.920 7918 858 261.5 www.caves.org/grotto/timpgrotto/ 01/16
27 Rich Mountain Blowhole Tennessee Blount 2.185 3516 840 256.0 Tenn.Cave Survey 02/15
28 Jewel Cave    (N.M.) South Dakota Custer 198.000 318650 815 248.4 Dan Austin FB 10/18
29 Chestnut Ridge Cave System Virginia Bath 21.580 34730 810 246.9 Nathan Farrar e-mail 01/18
30 Sunray - Sunset Cave System Montana Flathead 0.832 1339 801 244.1 NSS Long and Deep Cave List 06/17
31 Viva Silva Cave Alaska Heceta Island 0.000 0 797 242.9 Marcel LaPerriere e-mail 08/98
32 Kipuka Kanohina (Kula Kai Caverns) (Lava Tube) Hawaii Hawaii 28.700 46188 762 232.3 Bob Richards e-mail 03/16
33 Big Red Cave                      (Lava Tube) Hawaii Hawaii 2.241 3607 760 231.6 Doug Medville e-mail 09/16
34 Spanish Cave Colorado Custer 1.090 1754 741 225.9 Richard Rhinehart e-mail 05/16
35 Ka'eleku Caverns                  (Lava Tube) Hawaii Maui 1.772 2852 738 224.9 Bob Richards e-mail 12/99
36 Hellhole System West Virginia Pendleton 42.200 67914 737 224.6 GVKS 08/16
37 Virgin Cave New Mexico Eddy 2.680 4313 723 220.4 Paul Burger e-mail 08/16
38 Sugar Run Cave System Virginia Giles 22.500 36210 718 218.8 VSS Long & Deep Cave Lists 02/15
39 Simmons Mingo - My Cave System West Virginia Rand./Pocahon. 6.700 10783 683 208.2 Bob Thrun 06/82
40 Overholts Blowing Cave West Virginia Pocahontas 7.811 12571 666 203.0 Gary Storrick 01/16
41 Dorton Knob Smoke Hole Tennessee Cumberland 1.023 1646 660 201.2 TCS -  Chris Kerr 01/96
42 Little Brush Creek Cave Utah Uintah 5.933 9548 658 200.6 www.caves.org/grotto/timpgrotto/ 01/16
43 SnowHole Alaska P.O.W. Island 0.516 830 652 198.7 NSS NEWS V69N1P26 01/16
44 Lost Creek Siphon Montana Park 0.189 304 650 198.1 Jay Kennedy e-mail 02/15
45 Butler-Sinking Creek System Virginia Bath 18.060 29065 644 196.4 Tont Canike email 09/16
46 Fossil Mtn.Ice Cave - Wind Cave System Wyoming Teton 2.900 4667 644 196.3 NSS Conv. 1988 05/88
47 Flathead Alps Cave Montana Powell 0.000 0 642 195.7 Philip Rykwalder e-mail 08/16
48 Wind Cave     (N.P.) South Dakota Custer 149.010 239808 636 193.9 Marc Ohms e-mail 10/18
49 Jewett II Cave Tennessee Cumberland 3.349 5390 636 193.9 Charles Clark 07/86
50 Lower Delissea   (Lava Tube) Hawaii Hawaii 2.208 3553 633 192.9 Peter Bosted e-mail 09/16
51 MeanderBelt Cave Montana Flathead 0.723 1164 633 192.9 Michael McEachem e-mail 04/17
52 Rawhide Horror Hole Tennessee Franklin 1.136 1828 630 192.0 Tenn.Cave Survey 02/15
53 Doe Mountain Cave Virginia Giles 2.712 4365 628 191.4 Bill Balfour e-mail 02/99
54 El Capitan Pit Alaska P.O.W. Island 0.211 340 625 190.5 Georgia Underground V28N4 05/92
55 Double Bopper Cave Arizona Coconino 36.710 59079 618 188.4 Jason Ballenski e-mail 01/18
56 Lama Lua System            (Lava Tube) Hawaii Hawaii 3.447 5547 617 188.1 Doug Medville e-mail 04/17
57 Jewett I Cave Tennessee Cumberland 1.788 2878 615 187.5 Charles Clark 07/86
58 Friars Hole Cave System West Virginia Green./Pocoho. 46.914 75500 613 186.8 Doug Medville 12/17
59 Keala Cave                        (Lava Tube) Hawaii Hawaii 5.410 8707 610 185.9 Stephan Kempe, IUS Com. on Vol.Cave NL 12/99
60 MOS Cave / Obscure Magnificence (2697) Alabama Jackson 1.001 1611 603 183.8 Deep Caves of TAG, J.Stembel 10/16
61 Dulaneys Cave Virginia Giles 4.440 7145 601 183.2 VSS Long & Deep Cave Lists 05/16
62 The Great One Crack                  (Lava Crack) Hawaii Hawaii 0.439 707 600 182.9 NSS NEWS V68N12P9 102/2015
63 Ape Cave                          (Lava Tube) Washington Skamania 2.500 4023 598 182.3 Garry Petrie e-mail 03/16
64 Double Date Cave Montana Flathead 1.540 2478 582 177.4 Jason Ballensky e-mail 12/16
65 Three Fingers Cave New Mexico Eddy 3.700 5955 581 177.1 Rocky Mountain  Caving V8N3P22 SUM91
66 Cody Borehole                     (Lava Tube) Oregon Deschutes 0.798 1284 580 176.8 Garry Petrie 04/94
67 Greenhouse Cave Montana Flathead 0.000 0 578 176.2 Philip Rykwalder e-mail 08/16
68 Lewis and Clark Caverns Montana Jefferson 1.906 3067 577 175.9 The Explorer P34 - Bob Richards 03/85
69 Blowing in the Wind Cave Alaska P.O.W. Island 1.144 1841 577 175.9 Alaskan Caver V18N2P24, Carlene Allred 04/98
70 Scott Hollow Cave West Virginia Monroe 29.500 47476 571 174.0 WVASS Spring Meeting 05/16
71 Tony Sinks - Cox Cave           (78) Alabama Jackson 2.367 3809 570 173.7 Georgia Underground V32N4P37 09/96
72 Sorcerer's Cave Texas Terrell 2.181 3510 570 173.7 Texas Speleological Survey via Jerry Atkinson e-mail 01/16
73 Youngs Creek Blowhole Tennessee Franklin 1.610 2591 568 173.1 Deep Caves of TAG, John Stembel 10/16
74 Moon Ray Cave Montana Flathead 0.000 0 567 172.8 Philip Rykwalder e-mail 08/16
75 Scott's Barn Cave / Bloodstone  (907) Alabama Jackson 1.536 2472 563 171.6 Tom Moss 12/95
76 Memorial Day Cave West Virginia Pendleton 26.150 42084 561 171.0 GVKS 08/16
77 Gary Self Pit                          (290) Alabama Jackson 2.314 3724 560 170.7 ACS 08/87
78 Kelly Ridge Cave Tennessee Blount 0.852 1371 559 170.4 TCS -  Steve Pierce 07/86
79 Bloody Elbow Cave Alabama Madison 1.202 1934 558 170.1 Julie Schenck Brown 05/16
80 Hurricane Cave        (Granite Boulder/Talus) Colorado Teller 0.733 1180 553 168.6 Cascade Caver V35N6P45 06/96
81 Hells Below Cave New Mexico Eddy 1.894 3048 550 167.6 Dave Belski e-mail 03/16
82 Ain't No Cave                              (2312) Alabama Jackson 0.742 1194 549 167.3 Speleo Digest 102/2015
83 Church Cave California Fresno 3.996 6431 547 166.7 David Engel e-mail 09/99
84 Paint Rock River Cave            (2934) Alabama Jackson 1.817 2924 539 164.3 Deep Caves of TAG, John Stembel 10/16
85 Fern Cave                           (597) Alabama Jackson 15.630 25154 536 163.4 Fern Cave Project 06/17
86 Luminary Pit Tennessee Bledsoe 1.371 2206 535 163.1 Buddy Lane 07/86
87 The Kids Cave                              (2410) Alabama Jackson 1.042 1677 530 161.5 NSS News 06/89
88 Kaupulehu Crater Cave    (part of Manu Nui ?) (Lava Tube) Hawaii Hawaii 0.676 1088 530 161.5 Peter Bosted e-mail 01/16
89 Hang 'Em High Cave Tennessee Marion 3.665 5898 528 160.9 NSS News V50N1P6-18 01/92
90 Stolen Well / Davis Cove Cave  (1518) Alabama Jackson 1.291 2078 528 160.9 Georgia Underground V29N3 09/92
91 Kaupulehu System                  (Lava Tube) Hawaii Hawaii 3.077 4952 527 160.6 Doug Medville e-mail 04/17
92 Wind Cave (Wolfpen-Hollow Blowhole) West Virginia Grant 5.170 8320 526 160.3 WVASS Database 05/16
93 Grunge Plunge Tennessee Washington 1.136 1828 526 160.3 Clinton Elmore  on Facebook 07/16
94 Thompson Valley Cave System (Corkscrew Cave) Virginia Tazewell 8.250 13277 523 159.4 Mike Ficco e-mail 06/16
95 Dorthy Taylor Cave Missouri Perry 1.061 1708 521 158.8 Scott House, MSS 02/15
96 Engle Double Pit                   (266) Alabama Jackson 4.598 7400 520 158.5 Alabama Cave Survey 05/17
97 Arabica-Big Fatty Cave System Alaska Heceta Island 1.412 2272 519 158.2 Alaskan Caver V19N2P7 , Steve Lewis 04/99
98 Bullpasture Mountainside Cave Virginia Highland 0.376 605 519 158.2 Rick Lambert e-mail 10/16
99 The Great Two Crack                  (Lava Crack) Hawaii Hawaii 0.301 484 518 157.9 NSS NEWS V68N12P15 102/2015
100 Goufffre Tennessee Cumberland 2.131 3430 515 157.0 TCS 01/96
101 Breached Wall Cave     (Lava Tube) Hawaii Hawaii 1.930 3106 515 157.0 Doug Medville e-mail 03/16
102 Mossy Abyss Alaska Dall Island 0.143 230 515 157.0 Alaskan Caver  06/16
103 McBride's Cave                      (1345) Alabama Jackson 1.753 2821 513 156.4 Georgia Underground V32N4P38 09/96
104 Small Cave                                  (1096) Alabama Jackson 0.957 1540 513 156.4 Georgia Underground V24N1 03/87
105 Breathing Cave Virginia Bath 6.740 10847 512 156.1 Gangsta Mappers 01/18
106 Wilkson Hollow Horror Hole Tennessee Franklin 2.259 3636 512 156.1 TCS 01/96
107 Elmos Canyon                             (1735) Alabama Jackson 0.930 1497 512 156.1 Georgia Underground V32N4P37 09/96
108 Summers Double Pot                   (1538) Alabama Jackson 0.636 1024 512 156.1 Georgia Underground V32N4P37 09/96
109 Rendezous Peak Cave Wyoming Teton 0.258 415 512 156.1 Caves of Wyoming 03/76
110 Potential Pit / Langston Cave        (1558) Alabama Jackson 0.758 1220 510 155.4 Georgia Underground V29N3P18-19 09/92
111 Newton Cave Washington King 0.189 304 510 155.4 David Mischke e-mail 05/16
112 Lilburn Cave  (N.P.) California Tulare 21.516 34627 508 154.8 Jed Mosenfelder e-mail 01/16
113 Sipapu Caverns Arizona Coconino 0.000 0 504 153.6 NSS Long and Deep Cave List 06/17
114 Mad As A Wet Hen Pit                 (2147) Alabama Jackson 0.860 1384 502 153.0 Deep Caves of TAG, John Stembel 10/16
115 Siberian Sword Cave Alaska Heceta Island 0.200 322 501 152.7 Marcel LaPerriere e-mail 08/98
116 Microwave-A-Hole System      (1927) Alabama Jackson 2.652 4268 500 152.4 ACS 03/85
117 Cave of the Madonna New Mexico Eddy 1.894 3048 500 152.4 Dave Belski e-mail 03/16
118 Hickey Pot Tennessee Warren 1.542 2482 500 152.4 Tenn.Cave Survey 02/15
119 Stoned Well                               (1578) Alabama Jackson 0.511 822 498 151.8 Alabama Cave Survey 03/85
120 Fowler Pit 2 / Bleeding Ghyll Cave (655) Alabama Jackson 0.918 1477 497 151.5 Alabama Cave Survey 03/85
121 Greenhorn System               (Boulder Cave) California Kern 0.594 956 497 151.5 NSS News V44N4P88 04/86
122 Ram's Horn Cave Montana Meagher 0.900 1448 496 151.2 NSS Conv. 06/17
123 Phantom Springs Cave Texas Jeff Davis 1.948 3135 493 150.3 Texas Speleological Survey via Jerry Atkinson e-mail 01/16
124 Illiad / Odyessy Cave System    (1568) Alabama Jackson 1.663 2676 493 150.3 ACS 03/95
125 Moonprobe Cave Alaska Dall Island 0.133 214 493 150.3 NSS News V53N2P34 02/95
126 Gap Cave System (Cudjo's)   (C.G.N.H.P.) Virginia Lee 18.700 30095 491 149.7 Bob Gulden (CRF) 04/17
127 Turkey Roost Cave West Virginia Pocahontas 2.841 4572 490 149.4 WVASS Database 05/16
128 Bear-Hanna Cave                     (2100) Alabama Jackson 1.161 1868 488 148.7 Georgia Underground V32N4P38 06/96
129 Organ Cave System West Virginia Greenbrier 38.452 61882 486 148.1 WVASS Database 05/16
130 P-Bar (PeBar) Cave Wyoming Big Horn 1.851 2979 486 148.1 Tomes 05/17
131 Vanishing River Cave New Mexico - 0.260 418 485 147.8 Dave Belski e-mail 03/16
132 Maxwellton (Cowshit Pit) Cave West Virginia Greenbrier 16.213 26092 482 147.0 Greg Springer e-mail 11/17
133 Rumbling Falls Cave. Tennessee Van Buren 16.091 25896 474 144.5 Marion O.Smith per TCS 02/15
134 Bad Medicine Cave Wyoming Big Horn 1.910 3074 472 143.9 Marc Ohms e-mail 09/99
135 Spasm Chasm Tennessee Marion 1.441 2319 472 143.9 Tenn.Cave Survey 02/15
136 Keystone River Cave Tennessee Van Buren 3.629 5840 471 143.6 Tenn.Cave Survey 02/15
137 Tanglefoot Cave Maryland Allegany 1.241 1997 470 143.3 Donnie Cams e-mail 6/18
138 Twenty Pound Tick Cave Colorado Garfield 1.080 1738 469 143.0 Rocky Mtn. Caving SUM93
139 Guy's Cave                                 (1078) Alabama Jackson 0.820 1320 468 142.6 ACS 06/17
140 Under the Wall Cave               (Lava Tube) Hawaii Hawaii 2.736 4403 464 141.4 Doug Medville e-mail 10/99
141 Cairn Blowhole (Pit)                  (2290) Alabama Jackson 1.515 2438 460 140.2 Georgia Underground V32N4P38 09/96
142 Middle Hapuu     (Lava Tube) Hawaii Hawaii 1.304 2099 460 140.2 Peter Bosted e-mail 09/16
143 Baby Hog Horror Hole Tennessee Franklin 0.663 1067 460 140.2 TDCL 09/92
144 Deep Cave New Mexico Eddy 0.601 967 460 140.2 Dave Belski e-mail 03/16
145 Thunder Hole                              (1435) Alabama Jackson 0.323 520 460 140.2 Georgia Underground V32N4P38 09/96
146 Polygamys End Cave Utah Cache 0.138 222 459 139.9 www.caves.org/grotto/timpgrotto/ 01/16
147 Sinking Cove Cave System Tennessee Franklin 5.350 8610 457 139.3 Rick Buice 09/89
148 Buckeye Cave                              (779) Alabama Jackson 1.034 1664 457 139.3 Georgia Underground V24N1 03/87
149 Tumbling Rock Cave             (171)     (Saltpeter) Alabama Jackson 6.022 9691 454 138.4 Georgia Underground V32N4P38] 09/96
150 Blunder Hole                               (3333) Alabama Jackson 0.720 1159 453 138.1 Georgia Underground V31N4P3 11/95
151 Wash Pot                                   (1353) Alabama Jackson 0.321 517 453 138.1 Georgia Underground V29N3P18-19 09/92
152 Sinuos System Cave Alaska Heceta Island 0.000 0 453 138.1 Marcel LaPerriere e-mail 09/98
153 Gilley Cave Virginia Lee 4.545 7314 450 137.2 VSS 05/17
154 Hairy Pit / Flowing Spring Cave  (847) Alabama Jackson 1.515 2438 450 137.2 Georgia Underground V32N4P38 09/96
155 Doodlebug Hole / Blowing Cave (195) Alabama Jackson 1.394 2243 450 137.2 ACS 05/16
156 Laurel Caverns Pennsylvania Fayette 3.090 4973 447 136.2 Walt Hamm e-mail 09/00
157 Bird Horror Hole                         (2508) Alabama Jackson 0.443 713 447 136.2 Georgia Underground V29N3P18-19 09/92
158 Walking Fern Pit                         (1598) Alabama Jackson 0.376 605 447 136.2 Georgia Underground V32N4P38 09/96
159 Hummel's Cave California Fresno 0.185 298 447 136.2 Bob Richards 01/90
160 Redemption Cave          (Lava Tube) Hawaii Hawaii 1.708 2749 446 136.0 Doug Medville e-mail 3/18
161 Triple Engle Pit                     (Gypsum) New Mexico De Baca 1.544 2485 442 134.7 Dave Belski e-mail 03/16
162 Fort Stanton Cave New Mexico Lincoln 31.680 50984 441 134.4 Lee H.Skinner e-mail 11/17
163 Real Well Tennessee Marion 0.758 1220 441 134.4 1998 NSS Convention 08/98
164 Schoolhouse West Virginia Pendleton 1.620 2607 439 133.8 Gordon Brace e-mail 10/16
165 Whiteoak Blowhole Tennessee Blount 1.153 1856 439 133.8 Georgia Underground V32N4P38 09/96
166 Mill Creek Crystal Cave Montana Park 1.350 2173 435 132.6 James Cummins e-mail 08/16
167 Shinaberry Cave West Virginia Pocahontas 1.001 1611 435 132.6 WVASS 06/17
168 Bennett Cove Cave                    (2174) Alabama Jackson 0.613 987 435 132.6 ACS 06/16
169 French Creek Cave Montana Beaverhead 1.831 2947 434 132.3 Caves of Montana 03/78
170 Jim Cave                                    (273) Alabama Jackson 0.585 941 432 131.7 Georgia Underground V32N4P38 09/96
171 Twenty Three Dollar Pit               (996) Alabama Jackson 0.380 612 432 131.7 Georgia Underground V29N3P18-19 09/92
172 Mill Hole                                   (745) Alabama Jackson 1.114 1793 431 131.4 Georgia Underground V29N3P18-19 09/92
173 Battered Bar Cave Virginia Bath 1.610 2591 431 131.3 Nathan Farrar e-mail 07/17
174 Bucks Pocket Cave                      (432) Alabama Jackson 1.136 1828 430 131.1 ACS 06/16
175 Kimble Pit West Virginia Pendleton 7.220 11619 429 130.8 GVKS 08/16
176 Solution Rift Tennessee Marion 1.013 1630 429 130.8 TDCL 09/92
177 Crystal Palace Cave Alaska P.O.W. Island 0.000 0 429 130.8 NSS News -
178 El Capitan Cave Alaska P.O.W. Island 2.367 3809 428 130.5 NSS Caves Files - Dick Blenz 10/16
179 Pig Hole Virginia Giles 1.180 1899 428 130.5 VSS 02/89
180 Warner Noisy Blower West Virginia Pendleton 0.620 998 428 130.5 GVKS   102/2015
181 Scott Cave West Virginia Monroe 1.000 1609 426 129.8 Mike Dore 10/85
182 Better Forgotten Cave Virginia Highland 0.947 1524 426 129.8 BCCS 07/95
183 Cyclops Cave Virginia Russell 7.080 11394 424 129.2 J.Christie e-mail 06/16
184 Dark Well                                   (1945) Alabama Jackson 0.439 707 421 128.3 Georgia Underground V29N3P18-19 09/92
185 Sewanee Plunge Tennessee Franklin 0.947 1524 420 128.0 Georgia Underground V32N4P38 09/96
186 Reaper's Rockpile   (gravity-slide cave) Montana Teton 0.142 229 419 127.7 Jason e-mail 10/16
187 Paradox Cave Tennessee VanBuren 1.705 2744 418 127.4 Georgia Underground V32N4P38 09/96
188 Vast Caverns                              (1860) Alabama Jackson 0.305 491 417 127.1 Georgia Underground V29N3P18-19 09/92
189 Crystal 67 Cave California Tulare 0.387 623 415 126.5 California Caver V33N1 03/82
190 Sherwood Spring Cave Tennessee Franklin 0.619 996 414 126.2 Deep Caves of TAG, John Stembel 10/16
191 Spence Cave Virginia Smyth 0.000 0 413 125.9 VSS 06/17
192 The Cave That Summer Forgot Montana Flathead 0.334 538 412 125.6 Jason Ballensky e-mail 08/16
193 Trice Hollow Pit                           (2012) Alabama Jackson 0.762 1226 411 125.3 Georgia Underground V29N3P18-19 09/92
194 LilyGuard Cave Montana Judith Basin 0.410 660 410 125.0 Rick Brinkman e-mail 05/16
195 Will's Welch Well                        (1748) Alabama Jackson 0.253 407 410 125.0 Deep Caves of TAG, John Stembel 10/16
196 Twist of Fate Pit Alabama Jackson 0.089 143 408 124.4 NSS News V72N1 01/16
197 Mammoth Cave System   (N.P.) Kentucky Ed./Hart/Bar. 405.000 651784 407 124.1 CRF / CKKC  +/-5 MILES 10/16
198 Weeki Wachee Spring   Florida Hernando 1.894 3048 407 124.1 Caves and Karst of Florida, 2008 NSS Convention 07/16
199 Montague Cave                     (379) Alabama Jackson 4.220 6791 406 123.7 Deep Caves of TAG, John Stembel 10/16
200 Wooden Ladder Cave     (Lava Tube) Hawaii Hawaii 0.758 1220 406 123.7 Doug Medville 01/16
201 Little Red River Cave             (Lava Tube) Washington Skamania 0.641 1032 406 123.7 Cascade Caver V35N6P45 06/96
202 Sub-Solomon Cave Tennessee Franklin 0.711 1144 405 123.4 TCS 02/15
203 Water Well                                 (1747) Alabama Jackson 0.554 892 402 122.5 Georgia Underground V29N3P18-19 09/92
204 Wet Cave / Above (Well) Wet Cave Tennessee Franklin 1.414 2276 401 122.2 Speleonews V34N3 06/90
205 Fort-Pebbles Cave Tennessee Franklin 1.234 1986 401 122.2 Tenn.Cave Survey 02/15
206 Russell Cave   (N.M.)        (169) Alabama Jackson 11.626 18710 400 121.9 Jason Richards   11/17
207 Oregon Caves Oregon Josephine 3.030 4876 400 121.9 Steve Knutson 01/85
208 Gourdneck Cave Tennessee Marion 1.515 2438 400 121.9 TCS 09/86
209 Main Well Tennessee Marion 1.326 2134 400 121.9 Deep Caves of TAG, John Stembel 10/16
210 Happy Top Horror Hole Tennessee Cumberland 0.855 1376 400 121.9 Clinton Elmore on Facebook 02/15
211 Icy Fate Cave Alaska Heceta Island 0.623 1003 400 121.9 Marcel LaPerriere e-mail 08/98
212 Mega Well                                (2310) Alabama Jackson 0.506 814 400 121.9 ACS 06/16
213 Upper  Owl Cave     (Lava Tube) Hawaii Hawaii 2.655 4273 399 121.6 Doug Medville e-mail 04/17