LARGEST CAVE CHAMBERS IN THE WORLD by Roo Walters Dec.2017 UIS Bulletin - V59-2P52/123
  NAME CAVE VOLUME SURFACE AREA PLAN AREA COUNTRY LOCATION
      (X106M3) (X103M3) (X103M3)    
1 Miro Room Gabiha 10.57 642.06 145.04 China Zlyun County, Guizhou
2 Sarawak Chamber Nasib Bagus 9.81 584.69 168.87 Malaysia Mulu National Park, Sarawak
3 Cloud Ladder Hall Quankou Dong 6.23 341.45 56.74 China Tongzi, Wulong County, Chongqing
4 La Muneva Fea Llamanictti-TZ1 5.90 283.15 65.06 Mexico Tepepan, Zaragosa, Puelba
5 Hong Meigul Niu Ping Dong 5.25 252.72 58.34 China Leye County, Guangxl
6 Ghar-e-Dosar Ghar-e-Dosar 4.33 237.90 79.14 Iran Mehrib, Yadz
7 Majlls al Jinn Majlls al Jinn 4.11 273.57 59.41 Oman Selma Plateau
8 Salle de la Verna Reseau de la Pierre San Martin 3.65 187.37 43.15 France Sainte-Engrace, Pyrenees-Atlantiques
9 Api Chamber Clearwater System 2.89 202.39 42.73 Malaysia Mulu National Park, Sarawak
10 Titan Chamber Ban Dong Xinu - Chu Yan Dong 2.43 179.38 52.81 China Doshan, Anlong County, Guizhou
? Gran Sala GEV Torca de la Carlista 2.14 282.12 84.31 Spain Cantabria
? Marco Polo Nangluidong 1.44 237.07 45.69 China Dinlong, Jinya, Fengshan District, Guangxi
? The Big Room Carlsbad Caverns 0.93 156.10 45.36 USA New Mexico
? Belize Chamber Chiquibul Cave 0.81 167.83 46.38 Belize Chiquibul
     
The Largest Underground Chambers not Scaned by Surface Area (Floor) (by Volume page down)  
           
  C A V E     N A M E COUNTRY AREA m2 SOURCE DATE DIMENSIONS (meters)
1 Xiniu (Rhino) Chamber - Salle Xiniu China 80,000 Wang Xun Yi, Cave Expeditions Jun-05 400 x 200
2 Gua payem Malaysia 70,580 Fabien Darne - List Jun-05  
3 Benua Chamber - Benua Sinkhole & Cave Papua New Guinea 70,500 Atlas - Great Caves of the World Jun-05  
4 One big room ? Laos 70,000 Fabien Darne - List Jun-05  
5 Sistema TZ2-TZ7 - Grand Salle Mexico 60,000 Richard Grebeude Jun-05 200 x 300
6 Sistemul Humpleu - Sala Gigantilor Romania 59,607 http://sghbern.ch/romania/ Jun-05 537x111x35
7 Salle Tuke - Reseau Minye - Tevi Oro Papua New Guinea 48,000 http://fabien.darne.free.fr/speleo/grandes_salles/ Jun-05 240x200x130
8 Tlamanictli (TZ1) - Salle La Muneca Fea Mexico 46,377 Descent (245) P37 Aug-15 250 x 500
9 Weibu Chamber - Chijin Dong China 46,200 Wang Xun Yi, Cave Expeditions Jun-05 400 x 108
10 Salle de l'Eclipse - Gouffe des Partages France 43,470 Descent (245) P37 Aug-15 245 x 243 x 199
11 Entrance Chamber - Xiong Jia He Da Dong China 43,200 Wang Xun Yi, Cave Expeditions Jun-05  
12 Panayoran Chamber - Langun Cave Philippines 43,200 Speleologia No.17 Jun-05 270 x 140 x 40
13 Gruta de Villa Garcia Mexico 40,820 Atlas - Great Caves of the World Jun-05  
14 Salon de Gigantes - Gruta del Palmito (Bustamante) Mexico 39,730 Fabien Darne - List Jun-05  
15 Tham Toutche - Swallow Cave Thailand 38,690 Fabien Darne - List Jun-05  
16 Deer Cave Malaysia 38,600 Roo Walters Oct-14 870 x 177 x 270
17 Gua Kepayang (Sungai Baai) Indonesia 37,800 http://fabien.darne.free.fr/speleo/grandes_salles/ May-05 270x140
18 Kocain Big Room - Kocain Cave Turkey 37,200 Atlas - Great Caves of the World Jun-05  
19 Entrance Chamber - Ganduan Dong China 37,000 Wang Xun Yi, Cave Expeditions Jun-05  
20 Grotta Gigante Italy 33,120 Fabien Darne - List Jun-05 240 x 138 x 132
21 Sotano de las Golondrinas (open to surface) Mexico 33,110 Atlas - Great Caves of the World Jun-05  
22 Martel Dom ou Martel's Chamber - Skocjanske jame Slovenia 32,090 Atlas - Great Caves of the World Jun-05 308 x 89 - 123 x 106
23 Sala Gabor Halasi (Sistemul Humpleu) Romania 31,930 http://fabien.darne.free.fr/speleo/grandes_salles/ Jun-05 310x103x35
24 Tham Phuphaphet  - Swallow Cave                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Thailand 30,500 Axbridge Caving Group Journal Jun-05 1.03km loop
25 Xiji (Century) Chamber - West Cave, Leye China 27,500 Wang Xun Yi, Cave Expeditions Jun-05  
             
       The Largest Underground Chambers by Volume not Scaned
           
  C A V E     N A M E COUNTRY AREA Mm3 SOURCE DATE L x W x H
1 Deer Cave Malaysia 6.310 Roo Walters Oct-14 870 x 177 x 270
2 Hong Meigui Chamber - Hong Meigui Cave China 5.250 Descent (245) P37 Aug-15 468 x 269 x 197
3 Luse China 5.250 Roo Walters Oct-14 474 x 226 x 212
4 Salle Tuke - Reseau Minye - Tevi Oro Papua New Guinea 5.000 Atlas - Great Caves of the World Jun-05  
5 sotano de las Golondrinas (open to surface) Mexico 5.000 Atlas - Great Caves of the World Jun-05  
6 Korikobi Papua New Guinea 5.000 Atlas - Great Caves of the World Jun-05  
7 Benua Papua New Guinea 5.000 Atlas - Great Caves of the World Jun-05  
8 Ora     (Doline) Papua New Guinea 2.900 Atlas - Great Caves of the World Jun-05  
9 Minye     (Doline) Papua New Guinea 2.600 Atlas - Great Caves of the World Jun-05  
10 Torca del Carlista - La Grand Sala del GEV Spain 2.140 Descent (245) P37 Aug-15 497 x 287 x 97
11 sima mayor de Sarisarinama     (Doline?) Venezuela 1.800 Atlas - Great Caves of the World Jun-05  
12 sotano del Barro (open to serface) Mexico 1.500 Atlas - Great Caves of the World Jun-05  
13 Kavakuna Papua New Guinea 1.500 Atlas - Great Caves of the World Jun-05  
           
       The Largest Passage (Trunk/Borehole)
           
  C A V E     N A M E COUNTRY Size (Meters) SOURCE DATE
1 Han Son Doong Vietnam 5000x145x200 http://is.gd/uiin Apr-09 145,000 Mm3
             
2 Deer Cave Malaysia 4100x90x100 http://www.mulucaves.org Jul-05 36,9000 Mm3