Caves and Volcanoes

Explore the geological heritage of Western Iceland through its diverse volcanic formations. This collection features the Hallmundarhraun lava field’s massive tubes, including Víðgelmir and Surtshellir, alongside the symmetrical Eldborg crater and the iron-staircase ascent of Saxhóll. From the subterranean depths of the 8,000-year-old Vatnshellir to the echoing chambers of Sönghellir, these sites showcase the physical remnants of the region's intense geothermal history and ancient fissure eruptions.

Caves and Volcanoes — Map

Hafsteinn Davíðsson / CC-BY-SA

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Saxhóll

A 100-meter-high volcanic crater in Snæfellsjökull National Park. An iron staircase leads to the summit, providing views of the surrounding lava fields and the Snæfellsjökull glacier.

Olikristinn / CC BY-SA 3.0

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Víðgelmir Cave

Víðgelmir is a lava tube situated in the Hallmundarhraun lava field in west Iceland, around 2 km southeast of Fljótstunga farm in…

Vinicius Antao / CC-BY-SA

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Vatnshellir Lava Cave

An 8,000-year-old lava tube extending 200 meters long and 35 meters below the surface. It features distinct mineral colorations and unique lava sculptures shaped by subterranean fire.

Peter Maslej / CC-BY-SA

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Stóra Grábrók

The largest of three craters in the Grábrókargígar fissure. This 3,000-year-old volcanic cone is accessible via a marked trail and offers views over the Borgarfjörður region.

TomR / CC BY-SA 3.0

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Surtshellir Cave

Surtshellir is a lava cave located in western Iceland, around 60 km from the settlement of Borgarnes.

Reykholt / CC BY-SA 4.0

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Eldborg

A symmetrical scoria crater rising 60 meters above the Eldborgarhraun lava field. Formed by a single fissure eruption, it is considered one of Iceland's most classically shaped volcanic cones.

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Sönghellir

Small cave known for its powerful echoes and historical significance. The walls contain 18th-century inscriptions, including the names of prominent Icelandic travelers Eggert Ólafsson and Bjarni Pálsson.