swap_horiz Billegul Alternatives

1

Manjanggul

Manjanggul is a lava tube on Jeju Island, South Korea, extending approximately 8.9 kilometers. It formed from basaltic l...

South Korea Unesco Jeju Show Cave

9.5 Brilliant

2

Kipuka Kanohina Cave System

The Kipuka Kanohina Cave System is an extensive network of lava tubes located on the southwestern rift zone of Mauna Loa...

Hawaii Mauna Loa Conservation Cave System

9.4 Excellent

3

Kazumura Cave

Kazumura Cave is a privately accessible lava tube within Hawaii’s Kilauea volcano. It represents a significant geologica...

Hawaii Kilauea Private Longest

9.2 Excellent

4

Leviathan Cave

Leviathan Cave is a substantial lava tube within Kenya’s Chyulu Hills. It represents one of Africa's longest known lava...

Africa Kenya Long Chyulu Hills

9.2 Excellent

5

Cueva del Viento

Cueva del Viento is a substantial lava tube located on the island of Tenerife, Spain. Formed during volcanic activity ap...

Spain Multi Level Long Tenerife

9.2 Excellent

6

Undara Lava Tubes

Undara Lava Tubes are extensive subterranean passages within a basalt landscape in Queensland, Australia. Formed by slow...

Australia Queensland Basalt Show Cave

9.2 Excellent

7

Manjanggul Cave

Manjanggul Cave is a remarkably extensive lava tube located on Jeju Island, South Korea. Formed by flowing basaltic lava...

Asia Volcanic South Korea World Heritage

9.2 Excellent

8

Cueva de Todoque

Cueva de Todoque is a roughly 600-metre lava tube on La Palma, Spain, formed during the 1949 eruption of the San Juan vo...

Geology Canary Islands LA Palma Volcanic Cave

8.6 Great

9

Princess Margaret Rose Cave

Princess Margaret Rose Cave is a limestone solutional cave located in the Lower Glenelg National Park in Victoria, Austr...

Australia Victoria Byaduk Volcanic Cave

8.4 Great

10

Bengdwigul Lava Tube

The Bengdwigul Lava Tube represents a significant geological feature within the Geomunoreum UNESCO Global Geopark on Jej...

South Korea Unesco Jeju Geomunoreum

8.3 Great

11

Gimnyeonggul Lava Tube

The Gimnyeonggul Lava Tube represents a significant example of volcanic activity and carbonate deposition. Located benea...

South Korea Unesco Jeju Carbonate

8.2 Great

12

Gimnyeonggul Cave

Gimnyeonggul Cave is a remarkable lava tube situated on Jeju Island in South Korea. Formed by ancient volcanic activity,...

Asia Volcanic South Korea Long Tube

8.1 Great

13

Skeleton Cave

Skeleton Cave is a 3,560-foot-long lava tube located in the high desert near Bend, Oregon, formed by ancient volcanic ac...

Historic Oregon Caving Bend

8.0 Great

14

Mammoth Cave

Mammoth Cave is a lava tube on the Markagunt Plateau in Dixie National Forest in southern Utah. It formed when the surfa...

Utah Long Caving Markagunt Plateau

8.0 Great

15

Bukoreumdonggul Lava Tube

Bukoreumdonggul Lava Tube is a volcanic cave located on Jeju Island in South Korea. It is a component of the Geomunoreum...

South Korea Unesco Jeju Geomunoreum

7.8 Good

16

Cueva de los Murciélagos

Cueva de los Murciélagos is a notable volcanic lava tube system located on the island of La Palma in Spain's Canary Isla...

Canary Islands Caving Bats LA Palma

7.7 Good

17

Hyeopjaegul

Hyeopjaegul is a lava tube located within Hallim Park on Jeju Island, South Korea. Formed by ancient basaltic lava flows...

South Korea Jeju Show Cave Volcanic Cave

7.7 Good

18

Billemotdonggul Lava Tube

Billemotdonggul Lava Tube is a geological formation situated on Jeju Island in South Korea. The cave features a network...

South Korea Wild Jeju Basalt

7.4 Good

19

Ssangyonggul

Ssangyonggul is a designated natural-monument lava tube at Hallim Park, Jeju, South Korea, and may once have connected d...

South Korea Jeju Show Cave Volcanic Cave

7.4 Good

20

Daerimdonggul Lava Tube

The Daerimdonggul Lava Tube is a geological site located on Jeju Island in South Korea. It forms a segment of the Geomun...

South Korea Unesco Jeju Geomunoreum

7.1 Good