Close to the Edge

Canada

1153 m long · 472 m deep

Manor Farm Swallet

United Kingdom

1107 m long · 179 m deep

Barbarossa Cave

Germany

1100 m long

Rumbling Hole

United Kingdom

1091 m long · 126 m deep

Skeleton Cave

United States

1085.1 m long

Aillwee

Ireland

1030 m long

Boyden Cave

United States

1013.9 m long

Skirwith Cave

United Kingdom

1000 m long

São Vicente Caves

Portugal

1000 m long · 40 m deep

Bluff Dweller's Cave

United States

996.1 m long

Pate Hole

United Kingdom

970 m long · 33 m deep

Aeolus Cave

937.9 m long

Great Douk Cave

United Kingdom

914 m long

Swinsto Cave

United Kingdom

914 m long · 131 m deep

Grotte di Pastena (Pastena Caves)

Italy

900 m long

Simpson Pot

United Kingdom

884 m long · 112 m deep

Dechen Cave

Germany

870 m long

Krka Cave

Slovenia

820 m long · 44 m deep

Eden Sike Cave

772 m long

Weathercote Cave

United Kingdom

762 m long · 33 m deep

Lapa Terra Ronca

760 m long

Amboni Caves

Tanzania

755 m long

Coliboaia Cave

Romania

750 m long · 560 m deep

Goatchurch Cavern

United Kingdom

750 m long · 55 m deep

Grand Canyon Caverns

United States

733.3 m long · 210 m deep

Ngilgi Cave

Australia

730 m long · 39 m deep

Wimsener Cave

Germany

723 m long

Scărișoara Cave

Romania

720 m long · 105 m deep

Gruta do Natal

Portugal

697 m long

Gruta de Maquiné

Brazil

650 m long · 18 m deep

Eberstadter Tropfsteinhöhle

Germany

645 m long

Haitón del Guarataro

Venezuela

640 m long · 305 m deep

Driny

Slovakia

636 m long

Cheese Cave

United States

627.9 m long

Doolin Cave / Pol an Ionain

Ireland

600 m long

Cave Stream

New Zealand

594 m long