Caving Canada Canada’s Deepest Caves Last Update August 2024
Deepest
Completely or mostly underwater
Rank Cave Length (m) Depth (m) Prov Region Reference 1 Bisaro Anima 7678 683 BC Rockies Jeremy Bruns 2024 2 Heavy Breather System 6150 655 BC Rockies CC 63, CC 62:8 3 Arctomys Cave 3496 536 BC Rockies CC 16(1):24-26 4 Thanksgiving Cave 8386 479 BC Vancouver Island Dennis Mitchell letter 2017 5 Close To The Edge 1153 472 BC Rockies CC 58:13; Dan Green 2024 6 White Rabbit 7541 459 BC Monashee Mountains Kirk Safford 2023 7 ARGO Cave System 25450 426 BC Vancouver Island Dennis Mitchell 2024-08 8 Weymer Cave System 11462 390 BC Vancouver Island CC 67:26; Martin Davis 2024-02 9 Yorkshire Pot 13812 389 AB/BC Rockies CC? 10 Castleguard Cave 21311 388 AB Rockies CC 71; Christian Stener 2022 11 Ice Trap 3002 347 AB Rockies Greg Horne 2012 12 Glory 'ole 6537 342 BC Vancouver Island Dennis Mitchell 2023 13 Ptarmigan Cave 890 318 BC Rockies CC 31(1):20-25 14 Q5 Cave 1867 301 BC Vancouver Island CC 16(1):21 15 Gargantua 6001 286 AB/BC Rockies JSM 147:6 16 13th Avenue 3698 275 BC Vancouver Island BCC 30(3):33 17 Tripartight 820 271 BC Rockies CC 62:8 18 Main Cave (Nakimu) 4500 257 BC Rockies CC-CEC 19 White Hole 1320 253 BC Rockies CC 17:48-73 19 Dezaiko Cave 710 253 BC Rockies CC 18(1):4-10 21 Fang Cave 3342 247 BC Rockies BCC? 22 Rat's Nest Cave 4003 245 AB Rockies UGM 23 Big Money Cave 1303 230 BC Vancouver Island CC 62:28 24 Cadomin Cave 2791 220 AB Rockies CC 14:19 25 Raspberry Rising 5504 219 BC Rockies Christian Stenner 2020-12 26 Windy Link Pot 4449 209 BC Vancouver Island Rob Countess 08/2001 27 Titanic 397 202 BC Vancouver Island CC 62:32 28 Redemption Cave 2346 199 BC Caribou Mountains JSM 157:4-5 29 Ursa Major 8309 179 BC Vancouver Island Martin Davis 2024-02 29 Booming Ice Chasm 961 179 AB Rockies Nick Vieira 2013 31 Baseline Cave 474 176 BC Vancouver Island BCC 18(4):12 32 Meadow Cave 1135 175 BC Rockies CC 30(1):24-28 33 Loch Less Cave 382 164 BC Vancouver Island BCC 34 Siren Song 608 159 BC Caribou Mountains BCC 26(1) 20/21 35 Grueling Cave 789 153 BC Vancouver Island Dennis Mitchell letter 2017 35 Deep Throat 197 153 BC Vancouver Island 0 37 Quatsino Cave 1260 152 BC Vancouver Island CC-CEC 37 Wapiabi Cave 540 152 AB Rockies CC 9(1):25-28 39 Crackpot 174 148 BC Vancouver Island CC 18(1):27 40 China Rabbit 624 147 BC Monashee Mountains Kirk Safford 2022 41 Sawtooth Cave 243 146 BC Purcells CC 10/2:16 42 Krog's Kavern 713 143 BC Vancouver Island Quagger Update notes 2018-01 43 Moon River Cave 774 142 BC Rockies CC 20(1):7-12 44 Crowsnest Spring 276 136 AB Rockies CC 26(1):21, JSM 124 45 Moon Valley Cave 353 134 BC Rockies CC 15/1:38 46 Hole In The Wall 286 133 BC Rockies CC92 47 Foramen Magnum 888 127 BC Vancouver Island Trevor Moelaert 2014 48 Over The Hill Cave 2277 125 BC Monashee Mountains Kirk Safford 2023-01 49 Pinto Lake Cave 610 123 AB Rockies CC 11(2):19-23 49 McRitchie Cavern 549 123 BC Rockies CC 69:20 49 Mudless 212 123 BC Vancouver Island BCC 25(1):28 52 Wardle Mountain Shaft 0 122 BC Rockies CCR 53 Lizard Pot 150 120 BC Rockies CC 15(1):32 54 The Other Thing Cave 353 117 BC Vancouver Island BCC 19(1), CC62:31 55 The Prince 120 112 BC Caribou Mountains BCC 26(1):22 56 Euclataws Cave 666 111 BC Vancouver Island CC-CEC; min est incl. HLC 2024-02 57 Maquinna 520 109 BC Vancouver Island VN? 58 Short Straw 170 107 BC Rockies CC 17:48-72 59 Pellucidar Cave 2046 106 BC Vancouver Island Dennis Michell 2019-01 59 The Garburrator 357 106 BC Vancouver Island CC 21(2):17-25 61 No Hike Mike 516 105 BC Vancouver Island CC 21(2):19 62 Coral Cave 1455 104 BC Vancouver Island CC-CEC 63 Cascade Cave 1068 103 BC Vancouver Island CC-CEC 63 Gar Cave 214 103 BC Rockies CC 21(1):11-14 65 Provenance Cave 256 102 BC Rockies CC 20(2):28-31 65 Jawdrop Cave 102 102 BC Selkirk Mountains Robin Beech 2019-10 67 Solstice Shower Shaft 1087 101 BC Vancouver Island Dennis Mitchell letter 2017 67 Victoria's Secret 150 101 BC Vancouver Island 0 69 Porcupine Cave 1794 100 BC Rockies CC 21(1):36-38 70 Vanishing Point 1380 99 BC Vancouver Island 0 70 Hangling Hole 311 99 BC Vancouver Island BCC 25(2):8 70 Precarious Pit Cave 215 99 BC Vancouver Island 0 73 Ice Hall 130 97 AB Rockies CCR 74 Tajomne Bisaro 1312 96 BC Rockies Vlad Paulik 2019-11 74 Little Moscow 540 96 BC Rockies CC 20(1):3-5 76 Lost Light System 1930 95 AB Rockies Greg Horne 2008 77 Bluewater Cave 428 94 BC Vancouver Island CC 8(1):31-33 77 Log Dump Cave 140 94 BC Vancouver Island CC 79 Wormhole 2792 93 BC Vancouver Island CC 67:30 80 Tier Duct 431 92 BC Rockies CC 21(1):7-11 80 CWAN (Cave Without A Name) 238 92 BC Vancouver Island CC 74 11 82 Maiden Grace 1199 91 BC Vancouver Island BCC 21(3) 82 Warmthing 279 91 BC Vancouver Island CC 29(2):16-18 84 Flop Pot 200 90 AB Rockies CC 6(2):28-31 85 Blak T 1417 89 BC Vancouver Island CC 62:19 85 Long After Dark 1108 89 BC Vancouver Island 0 85 Canyon Creek Ice Cave 727 89 AB Rockies CC 8(2):32-36 88 Colossal 502 88 BC Vancouver Island 0 89 Mad Dog Cave 272 87 BC Rockies CC 22(2):12-20 90 Red October 342 85 AB Rockies CC 29(1):14-15 91 Glittering Ice Palace 286 84 AB Rockies CC 4:9 91 Soar Throat 111 84 BC Vancouver Island BCC 8(4):7 93 Inverted Fridge 431 83 BC South Rockies 0 94 Dreamtime 1195 83 BC Vancouver Island CC 28(1):36-39 95 Marshswallow 1196 82 BC Vancouver Island CC 59:30 96 Flattop Cave 157 81 BC Rockies CC 15(1):5-8 97 Boggle Cave 446 80 BC Vancouver Island BCC 10(1):14 97 River-Gone Dream Cave 313 80 BC Rockies CC 57:41 97 Z4 Spaghetti Cave 296 80 BC Vancouver Island 0 97 Devil's Spring 200 80 BC Vancouver Island CC 29(2):4-11 97 The Creep Show 200 80 BC Rockies 97 Forget-me-not Pot 0 80 AB Rockies CCR 103 Whistling Cave 919 78 BC Vancouver Island Martin Davis Nov. 2013 103 Bottom's Up 631 78 BC Vancouver Island CC 20(1):36-39 103 Rift Raff 181 78 BC Vancouver Island 0