Long Piping Caves  Jan. 2020  DOUG MEDVILLE & Bob Gulden  
        LENGTH        DEPTH         
  Cave Name State County length (ft.) MILES METERS depth (ft.) METERS Reference comment
1 B&B Caverns NM San Juan 2685.0 0.509 821.436 325.0 99.06 D.Medville   
2 Christmas Canyon Cave WA Cowlitz 2637.0 0.499 803.758   0.00 W.R. Halliday, Ency. Of Caves, pg 591 mudflow beneath lava
3 Anvil Points Claystone C. CO Garfield 2063.0 0.391 628.802 187.0 57.00 D. Wolfe, RMC Vol 24, no. 1  
4 Marzev Kidron Israel Dead Sea 1572.0 0.298 479.146   0.00 Boaz Langford  
4 Stairstep Canyon C. NM San Juan 1181.0 0.224 359.969 331.0 100.89 D. Medville, B. Richards  
5 Hidden Cave CA San Diego 1154.0 0.219 351.739   0.00 B. Richards, Cal Cave Vol 39, no. 2  
6 Officers Cave OR Grant 1132.0 0.214 345.034   0.00 W.R. Halliday, Ency. Of Caves, pg 591  
7 Carey's Big Mud C. CA San Diego 1120.0 0.212 341.376 51.0 15.54 B. Richards, Cal Cave Vol 39, no. 2  
8 Chasm Cave CA San Diego 1010.0 0.191 307.848 24.0 7.32 B. Richards, Cal Cave Vol 39, no. 2  
9 Kemach Cave Israel Dead Sea 899.0 0.170 274.000 73.8 22.49 Boaz Langford  
10 Hidden Canyon Cave CA Riverside 879.0 0.166 267.919 128.0 39.01 B. Richards, The Explorer, June 1984  
11 Pipe Dream Cave CO Mesa 805.0 0.152 245.364 73.0 22.25 D. Medville  
12 Upper Dominguez Cave CO Mesa 761.0 0.144 231.953 135.0 41.15 D. Medville  
13 Lower Dominguez Cave CO Mesa 717.0 0.136 218.542 136.0 41.45 D. Medville  
14 Cathedral Canyon C. NM San Juan 666.0 0.126 202.997 77.0 23.47 D. Medville, B. Richards  
15 Magnificent Morrison Cave CO Delta 657.0 0.124 200.254 64.0 19.51 D. Medville  
16 Mind Benter Cave NM San Juan 607.0 0.115 185.014 45.0 13.72 D. Medville  
17 Little Mud Cave CA San Diego 604.0 0.114 184.099   0.00 B. Richards, Cal Cave Vol 39, no. 2  
18 Majestic Canyon C. NM San Juan 601.0 0.114 183.185 155.0 47.24 D. Medville, B. Richards  
19 E-Ticket C. CA San Diego 583.0 0.110 177.698 38.0 11.58 B. Richards, Cal Cave Vol 39, no. 2  
20 King Kutz Cave NM San Juan 576.0 0.109 175.565 145.0 44.20 D. Medville  
21 Canyon Climb Cave CO Delta 572.0 0.108 174.346 156.0 47.55 D. Medville  
22 Blue Beer Cap Cave NM San Juan 546.0 0.103 166.421 56.0 17.07 D. Medville  
23 Slickrock C. CO Mesa 527.0 0.100 160.630 59.0 17.98 D. Medville  
24 Finale Cave CO Mesa 499.0 0.095 152.095 65.0 19.81 R. DeLano, RMC Vol 13, no. 1  
25 Raven Cave CO Mesa 452.0 0.086 137.770 57.0 17.37 D. Medville  
26 Hidden Canyon Cave NM San Juan 448.0 0.085 136.550 30.0 9.14 D. Medville, B. Richards  
27 Bedding Plane C. CA San Diego 441.0 0.084 134.417 57.0 17.37 B. Richards, Cal Cave Vol 39, no. 2  
28 Svyataya Cave Russia Gatchina 427.0 0.081 130.150   0.00 Euro Speleo Magazine p46 1/1/12 sandstone
29 Mudnificent Cave NM San Juan 425.0 0.080 129.540 66.0 20.12 D. Medville  
30 May Day Cave NM San Juan 420.0 0.080 128.016 115.0 35.05 D. Medville  
31 Maybe Cave NM San Juan 415.0 0.079 128.016   0.00 D. Medville  
32 Old Spanish Trail C. CA Inyo 415.0 0.079 126.492 23.0 7.01 B. Szukalski  
33 Wedged Rock C. CO Mesa 410.0 0.078 124.968 61.0 18.59 D. Medville  
34 Mesa C. CO Mesa 398.0 0.075 121.310 57.0 17.37 D. Medville  
35 Tabeguache-Zephyr C. CO Mesa 397.0 0.075 121.006 32.0 9.75 D. G. Davis, RMC Vol 9, no. 2  
36 Cold Climb Cave NM San Juan 394.0 0.075 120.091 119.0 36.27 D.Medville  
37 Skylight Cave CA San Diego 389.0 0.074 118.567   0.00 B. Richards, Cal Cave Vol 39, no. 2  
38 Double Ladder Cave NM San Juan 362.0 0.069 110.338 113.0 34.44 D. Medville  
39 Coaled Comfort C. NM San Juan 362.0 0.069 110.338 36.0 10.97 D. Medville, B. Richards  
40 Wrecked Car Canyon Cave NM San Juan 356.0 0.067 108.509 85.0 25.91 D. Medville, B. Richards, C. Vesely  
41 Climbdown Cave CO Montrose 354.0 0.067 107.899 50.0 15.24 D. Medville  
42 Amargosa River Cave #2 CA Inyo 344.0 0.065 104.851 22.0 6.71 B. Szukalski  
43 Coyote Cave CO Montrose 340.0 0.064 103.632 65.0 19.81 D.Medville  
44 Canyoneering Cave NM San Juan 337.0 0.064 102.718 0.0 0.00 D.Medville, C.Vesely  
45 Escalante C. CO Delta 336.0 0.064 102.413 34.0 10.36 D. Medville  
46 Pestera Aven Romania   334.600 0.063 102.000 42.7 13.01 Liviu Valenas Loess
47 Footprint C. CA San Diego 334.0 0.063 101.803 38.0 11.58 B. Richards, Cal Cave Vol 39, no. 2  
48 Big Mud Flow Cave CA San Diego 329.0 0.062 100.279   0.00 C. Vesely