World Largest Chamber by Area

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Copyright 2022 NSS Geo2, Paul Burger NSS 26452, FE, CM
Do not ask for cave locations, I will not give them out.

C A V E N A M ECOUNTRYAREA m2SOURCEDATEDIMENSIONS (meters)
1Sarawak (Chamber) - Lubang Nasib BagusMalaysia154,530Descent (245) P378/15/2022429 x 641 x 113
2Miaos Room - Gebihe systemChina140,540Descent (245) P378/15/2022336 x 824 x 177
3Torca del Carlista - La Grand Sala del GEVSpain87,090Descent (245) P378/15/2022287 x 497 x 97
4Ghar -e- DosarIran81,500http://iransplo.com/newsDetail.aspx?mode=1&id=4327/5/2022365 x 265
5Xiniu (Rhino) Chamber - Salle XiniuChina80,000Wang Xun Yi, Cave Expeditions 6/5/2022400 x 200
6Gua payemMalaysia70,580Fabien Darne - List6/5/2022 
7Benua Chamber - Benua Sinkhole & CavePapua New Guinea70,500Atlas - Great Caves of the World6/5/2022 
8One big room ?Laos70,000Fabien Darne - List6/5/2022 
9Majlis al Jinn - Majlis al JinnOman61,000Descent (245) P378/15/2022 
10Sistema TZ2-TZ7 - Grand SalleMexico60,000Richard Grebeude6/5/2022200 x 300
11Sistemul Humpleu - Sala GigantilorRomania59,607http://sghbern.ch/romania/6/5/2022537x111x35
12Cloud Ladder Hall - Hong Meigui CaveChina57,460Descent (245) P378/15/2022353 x 393 x 282
13Hong Meigui Chamber - Hong Meigui CaveChina54,870Descent (245) P378/15/2022269 x 468 x 197
14Tit(an) ChamberChina54,750Descent (245) P378/15/2022341 x 367 x 80
15Belize Chamber - Actun Tun KulBelize49,000Descent (245) P378/15/2022 
16Salle Tuke - Reseau Minye - Tevi OroPapua New Guinea48,000http://fabien.darne.free.fr/speleo/grandes_salles/6/5/2022240x200x130
17Tlamanictli (TZ1) - Salle La Muneca FeaMexico46,377Descent (245) P378/15/2022250 x 500
18Weibu Chamber - Chijin DongChina46,200Wang Xun Yi, Cave Expeditions 6/5/2022400 x 108
19Salle de l'Eclipse - Gouffe des PartagesFrance43,470Descent (245) P378/15/2022245 x 243 x 199
20Entrance Chamber - Xiong Jia He Da DongChina43,200Wang Xun Yi, Cave Expeditions 6/5/2022 
21Panayoran Chamber - Langun CavePhilippines43,200Speleologia No.176/5/2022270 x 140 x 40
22Gouffre de la Martin - Salle de la VernaFrance43,000http://www.atm3d.com/v5/pdf/verna.pdf6/5/2022255 x 245 x 180
23Gruta de Villa GarciaMexico40,820Atlas - Great Caves of the World6/5/2022 
24Salon de Gigantes - Gruta del Palmito (Bustamante)Mexico39,730Fabien Darne - List6/5/2022 
25Tham Toutche - Swallow CaveThailand38,690Fabien Darne - List6/5/2022 
26Deer CaveMalaysia38,600Roo Walters10/14/2022870 x 177 x 270
27Api Chamber (Whiterock Cave)Malaysia38,000Descent (245) P378/15/2022300x200x100
28Gua Kepayang (Sungai Baai)Indonesia37,800http://fabien.darne.free.fr/speleo/grandes_salles/#####270x140
29Kocain Big Room - Kocain CaveTurkey37,200Atlas - Great Caves of the World6/5/2022 
30Entrance Chamber - Ganduan DongChina37,000Wang Xun Yi, Cave Expeditions 6/5/2022 
31Carlsbad Cavern Big RoomUSA33,210Atlas - Great Caves of the World6/5/2022 
32Grotta GiganteItaly33,120Fabien Darne - List6/5/2022240 x 138 x 132
33Sotano de las Golondrinas (open to surface)Mexico33,110Atlas - Great Caves of the World6/5/2022 
34Chiquibul (Chamber) - Actun KabalBelize32,090Atlas - Great Caves of the World6/5/2022 
35Martel Dom ou Martel's Chamber - Skocjanske jameSlovenia32,090Atlas - Great Caves of the World6/5/2022308 x 89 - 123 x 106
36Sala Gabor Halasi (Sistemul Humpleu)Romania31,930http://fabien.darne.free.fr/speleo/grandes_salles/6/5/2022310x103x35
37Tham Phuphaphet - Swallow CaveThailand30,500Axbridge Caving Group Journal6/5/20221.03km loop
38Xiji (Century) Chamber - West Cave, Leye China27,500Wang Xun Yi, Cave Expeditions 6/5/2022