List of lava tubes

A lava tube, or pyroduct, is a natural conduit formed by flowing lava from a volcanic vent that moves beneath the hardened surface of a lava flow. If lava in the tube empties, it will leave a cave.

Democratic Republic of the Congo

 * Unnamed cave along the Kakomeru climbing route of Mt. Nyamulagira

Ethiopia

 * 70 m lava tube cave has been recorded southeast of Addis Ababa and a smaller example on K'one Volcano

Kenya

 * Chyulu Hills – contains nearly 100 tubes
 * Elmenteita Badlands north of Mt. Eburru – several small caves
 * Leviathan Cave – At 12.5 kilometres, it is the longest lava tube in Africa.
 * Emuruangogolak Volcano caves
 * North Chyulu hills area – 20 caves are known
 * Hells Teeth
 * Kimakia Caves
 * Mathioni
 * Skull Caves
 * Kimakia Cave
 * Lake Tillam, near Korosi Volcano – several known lava tubes
 * Mount Suswa – around 40 known caves totaling around 11 km
 * Menengai Caldera – single vent-like cave
 * Nyambeni Mountains near Maua – 2 known caves

Rwanda

 * Musanze System – total 5.1 km
 * Ubuvomo bwa Musanze – 4.56 km
 * Ubuvomo bwa Nyrabadogo – 1.5 km

Tanzania

 * Mount Kilimanjaro Mawenzi lava tube system (at least 5)

Uganda

 * Garama Cave – Kigesi District, is 342 m long

China

 * Wudalianchi National Park and Global Geopark
 * Laoheishan volcano
 * Fairy Palace Cave
 * Waterfall Palace Cave
 * East Jiaodebushan volcano
 * Ice Cave
 * Underground Ice River
 * Jingpo Hu National Park and Global Geopark
 * Weihuting Cave
 * Longyandongtian Cave (Dragon Rock Cave)
 * Shenshui Cave (Driven Water Cave)
 * Gubingdong Cave (Ancient Ice Cave)
 * Jiemei Cave (Sisters Cave)
 * Kanlianmiying Cave (Anti-J Allied Army Secret Camp)
 * Leiqiong Global Geopark – More than 30 tubes
 * Seventy Two Cave Lava Tunnel

Japan

 * Fugaku Wind Cave
 * Lake Sai Bat Cave
 * Narusawa Ice Cave

Saudi Arabia

 * Harrat Khaybar lava field – Umm Jirsan lava tube – 1.5 km long (Pint 2009)

South Korea

 * Geomunoreum Lava Tube System
 * Gimnyeonggul
 * Manjanggul – more than 8 kilometers long, located in Jeju Island, is a popular tourism spot.

Iceland

 * Búri (cave)
 * Raufarhólshellir
 * Surtshellir – For a long time, this was the longest known lava tube in the world.
 * Víðgelmir

Italy

 * Grotta del Gelo on Mount Etna

Portugal

 * Azores
 * Algar do Carvão
 * Furna de Água
 * Furnas do Cavalum
 * Galerias da Feteira
 * Gruta Brisa Azul
 * Gruta das Agulhas
 * Gruta das Cinco Ribeiras
 * Gruta das Mercês
 * Gruta das Torres
 * Gruta do Carvão
 * Gruta do Natal
 * Gruta do Zé Grande
 * São Vicente Caves

Spain

 * Canary Islands
 * Cuevas de los Murciélagos
 * Cueva de los Verdes
 * Cueva del Viento
 * Jameos del Agua
 * Tunnel de la Atlantida
 * Cueva de los Verdes

Canada

 * Nisga'a Memorial Lava Bed Provincial Park

United States

 * Ape Cave – Washington (state)
 * Bandera Volcano Ice Cave – New Mexico
 * Cheese Cave – Washington (state)
 * Indian Tunnel lava tube (and more than 250 other examples) in Craters of the Moon National Monument and Preserve, Idaho
 * Derrick Cave – Oregon
 * El Malpais National Monument, in western New Mexico
 * Hālona Blowhole
 * Kaumana Cave – Hawaii
 * Kazumura Cave, Hawaii – Not only the world's most extensive lava tube, but at 40.7 mi, it has the greatest linear extent of any cave known.
 * Kuna Caves – Idaho
 * Lava Beds National Monument – California
 * Newberry National Volcanic Monument – Oregon
 * Arnold Lava Tube System
 * Boyd Cave – Oregon
 * Horse Lava Tube System
 * Redmond Caves
 * Lava River Cave
 * Lava Top Butte basalt
 * Skeleton Cave
 * Lava River Cave – Arizona
 * Mammoth Cave – Utah
 * Niter Ice Cave – Idaho
 * Pluto's Cave – California
 * Skylight Cave – Oregon
 * Snow Canyon State Park - Utah
 * Subway Cave Lava Tubes – Lassen National Forest, California
 * Wilson Butte Cave – Idaho

Australia

 * Undara Volcanic National Park – Queensland

Galapagos

 * Bellavista lava tunnel

New Zealand

 * Auckland volcanic field Includes more than 50 lava tubes
 * Wiri Lava Cave

Samoa

 * Alofaaga Blowholes

Extra Terrestrial

 * Lunar lava tube
 * Martian lava tube