Stream Passage Pot

United Kingdom

579 m long · 151 m deep

Pwll Dwfn

United Kingdom

561 m long · 104 m deep

Neffs Cave

United States

518.2 m long · 354.5 m deep

Disappointment Pot

United Kingdom

500 m long · 110 m deep

Grotte Casteret

Spain

500 m long

Mammoth Cave

Australia

500 m long · 30 m deep

Yarimburgaz Cave

Turkey

500 m long

Kirkdale Cave

United Kingdom

436 m long

Simanya Cave

Spain

372 m long

Lost River Caverns

United States

365.8 m long · 24.4 m deep

Harwoods Hole

New Zealand

357 m long

Blowhole Cave

United States

355.1 m long · 103.6 m deep

Derrick Cave

United States

345.6 m long · 16.2 m deep

Gardner Cave

United States

321.6 m long

Grotta Regina del Carso (Queen of Karst cave)

Italy

320 m long · 57.4 m deep

Treak Cliff Cavern

United Kingdom

304.8 m long

Kitley Show Cave

United Kingdom

300 m long · 6 m deep

Marienglashöhle

Germany

300 m long

Ochtinská Aragonite Cave

Slovakia

300 m long

Ogof Nadolig

United Kingdom

300 m long

Buraco Das Araras - Dolina dos Maracanas

Brazil

295 m long · 105 m deep

Grotta Gigante (Giant Cave)

Italy

280 m long · 115 m deep

Bar Pot

United Kingdom

274 m long · 104 m deep

Rowten Pot

United Kingdom

259 m long · 105 m deep

Blanche Cave

Australia

250 m long

Pen Park Hole

United Kingdom

250 m long · 61 m deep

Flood Entrance Pot

United Kingdom

248 m long · 146 m deep

Juniper Gulf

United Kingdom

244 m long · 128 m deep

Paradise Cave

Poland

240 m long · 8 m deep

Reed Flute Cave (芦笛岩)

China

240 m long

Yordas Cave

United Kingdom

230 m long

Traungoldhöhle

Austria

229 m long · 27 m deep

Iberg Dripstone Cave

Germany

220 m long

Kitum Cave

Kenya

200 m long · 900 m deep

Mahendra Cave

Nepal

200 m long

Rat Hole

United Kingdom

200 m long · 107 m deep