swap_horiz Stefánshellir Alternatives

1

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

2

Víðgelmir

Víðgelmir is a vast Icelandic lava tube located within the Hallmundarhraun lava field. It’s notable for being one of Eur...

Large Iceland Show Cave Hallmundarhraun

9.0 Excellent

3

Raufarholshellir

Raufarholshellir is a substantial lava tube within Iceland’s southern region. It measures over 1,300 meters and represen...

Europe Volcanic Tourism Iceland

8.6 Great

4

Raufarhólshellir

Raufarhólshellir is a remarkable Icelandic lava tube formed by ancient basaltic flows. Its notable feature is extensive...

Iceland Show Cave Skylights Leitahraun

8.5 Great

5

Búri

Búri is a remarkable lava tube located within Iceland’s Reykjanes peninsula. It's notable as one of the country’s larges...

Iceland Closed Reykjanes Lava Fall

8.4 Great

6

Umm Jirsan Cave

Umm Jirsan Cave represents a significant lava-tube formation within the Harrat Khaybar desert of Saudi Arabia. This basa...

Desert Saudi Arabia Basalt Harrat Khaybar

8.3 Great

7

Surtshellir

Surtshellir is a remarkable Icelandic lava tube formed within the Hallmundarhraun lava flow. It’s notable as one of the...

Historic Iceland Viking Age Hallmundarhraun

8.3 Great

8

São Vicente Caves

The São Vicente Caves represent a significant example of a Portuguese lava tube. Formed during ancient basaltic eruption...

Portugal Madeira Basalt Show Caves

8.2 Great

9

Ana Te Pahu

Ana Te Pahu is a significant lava tube located on Rapa Nui (Easter Island). Formed during volcanic activity, it represen...

Large Chile Basalt Rapa Nui

8.2 Great

10

Wilson Butte Cave

Wilson Butte Cave is a basalt lava tube located in southern Idaho. It holds significant historical importance as an earl...

Historic Idaho Archaeology Basalt

8.1 Great

11

Tunnel de lave de la coulée 2004

The Tunnel de lave de la Coulée 2004 is a recently formed lava tube on Réunion Island. It was created by basaltic flows...

Young Reunion Basalt Piton Fournaise

8.1 Great

12

Fairy Palace Cave

The Fairy Palace Cave is a significant lava tube within Wudalianchi Geopark, China. Formed from flowing basalt magma, it...

China Basalt Geopark Wudalianchi

8.0 Great

13

Leiðarendi

Leiðarendi is an Icelandic lava tube situated within the Reykjanes Peninsula’s Grábrók volcanic crater. The cave offers...

Iceland Basalt Reykjanes Tour Cave

8.0 Great

14

Rangitoto Lava Caves

Rangitoto Lava Caves represent a unique geological feature within Auckland’s Rangitoto Island. These basalt lava tubes w...

New Zealand Auckland Basalt Rangitoto

8.0 Great

15

Hallmundarhellir

Hallmundarhellir is an Icelandic lava tube found in the Hallmundarhraun lava field, notable for its historical human occ...

Archaeology Iceland Basalt Hallmundarhraun

7.9 Good

16

Vatnshellir

Vatnshellir is an accessible lava tube in Snæfellsjökull National Park, Iceland, notable for its vibrant mineral colorat...

Iceland Basalt Show Cave Snaefellsnes

7.8 Good

17

Gjábakkahellir

Gjábakkahellir is a significant lava tube in Iceland, situated near Lake Hreðavatn, and is renowned for its large dimens...

Wild Iceland Basalt Thingvellir

7.2 Good

18

Grotta delle Palombe

Grotta delle Palombe is a significant lava tube on Mount Etna, Italy, notable for its deep vertical entrance and the pre...

Italy Historic Basalt Etna

7.2 Good

19

Arnarker

Arnarker is a notable lava tube cave located in the Samsstaðamúli crater area of southern Iceland, distinguished by its...

Wild Iceland Basalt Reykjanes

6.7 Fair

20

Niter Ice Cave

Located near Niter, Idaho, this lava tube is a notable geological feature historically used as a source of natural ice a...

Historic Idaho Ice Basalt

6.4 Fair