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Skútustaðahreppur

Top 6 Caves in Skútustaðahreppur

Best caves in Skútustaðahreppur are found within a district in Northern Iceland, characterized by its volcanic landscapes and the Lake Mývatn region. This area features several captivating caves, each offering distinct geological formations. The region's dynamic geological processes have created a variety of subterranean environments. These caves provide insight into Iceland's volcanic history and natural features.

Best caves in Skútustaðahreppur

  • The most popular caves is Grjótagjá Cave, a cave that is a lava cave formed by volcanic activity near…

Last updated: April 29, 2026

Grjótagjá Cave

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In the past it was even possible to swim in a cave, today it is forbidden.
Incidentally, this cave is also a location of the …

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Stóragjá Gorge

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Just go in and stay a moment.

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Yule Lads Cave (Dimmuborgir Troll Cave)

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Some caves in the area are so large that they could even sleep several people.
The area is surrounded by legends and myths. According to Icelandic folklore, Dimmuborgir is home …

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Elf Living Room Cave

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Some caves in the area are so large that they could even sleep several people.
The area is surrounded by legends and myths. According to Icelandic folklore, Dimmuborgir is home …

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An Argentona
August 3, 2025, Grjótagjá Cave and Hot Spring

Volcanic cave next to Lake Mývatn, famous for its blue hot springs nestled among lava rocks. Formed by geothermal eruptions and seeps, it offers a magical landscape for epic photos. Slippery rocks:

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Judging by the pictures, there are still quite a few trolls roaming around here in Dimmuborgir. Less charming are the trolls who only leave their caves at night. They can be dangerous to humans.

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A beautiful place... and such clear water.

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Some caves in the area are so large that they could even sleep several people. The area is surrounded by legends and myths. According to Icelandic folklore, Dimmuborgir is home to a murderous troll Gryla, her third husband and their sons The Yule Lads. The sons return in the snow to give the children presents or rotten potatoes, depending on whether they had behaved well or not.

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Some caves in the area are so large that they could even sleep several people. The area is surrounded by legends and myths. According to Icelandic folklore, Dimmuborgir is home to a murderous troll Gryla, her third husband and their sons The Yule Lads. The sons return in the snow to give the children presents or rotten potatoes, depending on whether they had behaved well or not.

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Grjótagjá is a small lava cave. It is famous for its beautiful geothermal hot spring located in the depths of the cave. Although it was once a popular seaside resort, geological activity between 1975 and 1984 raised the water temperature so much that it has not been possible to bathe in it since. The history of Grjótagjá begins in the early 18th century, when it was known as the home of the outlaw Jón Markússon. He used the cave for bathing. After the volcanic eruptions of the Krafla volcanic system in the 1970s and 1980s, the water in the caves became boiling and unusable for bathing. Temperatures have cooled slowly since 1984, but they can still warm unpredictably quickly. Grjótagjá has also received attention from Hollywood; it was even a filming location for HBO's Game of Thrones, where an iconic love scene was shot.

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Stóragjá is a little-known gorge that houses a cave filled with naturally heated geothermal water. It is often overlooked in favor of the Grótagjá Cave, which became famous in the Game of Thrones series. Although it is less known, it is definitely worth a visit and has much less crowds. To reach the azure geothermal waters, you have to descend a very narrow gorge and then climb into the cave using ropes and carved steps. Although it may be tempting, it is strongly discouraged to bathe in Stóragjá due to dangerous algae that cause the beautiful blue color. Due to the lack of filtration, it also contains unhealthy levels of bacteria such as E. coli from previous bathers.

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The lava caves are accessible from two locations. The entrances are narrow, and some climbing is required. Unfortunately, some are also very crowded! Since the recent volcanic activity, however, the water has warmed to almost 50°C, and swimming is now strictly prohibited!

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Frequently Asked Questions

What kind of geological features can I expect in Skútustaðahreppur's caves?

Skútustaðahreppur, located in Northern Iceland, is known for its volcanic landscapes. The caves in this region are primarily lava caves and rift caves, formed by volcanic activity. You'll find intricate rock formations, thermal springs, and in some cases, stunning ice formations, showcasing Iceland's dynamic geological processes.

Are there ice caves in Skútustaðahreppur?

Yes, Lofthellir Lava Cave (also known as Lofthellir Ice Cave) is situated in the lava fields east of Lake Mývatn. It is celebrated for its incredible and ever-changing ice formations, some hundreds or even thousands of years old, which have developed over approximately 3,500 years due to volcanic activity. It's considered a permafrost ice cave, maintaining ice year-round.

Can I swim in the thermal springs found in these caves?

While some caves like Grjótagjá Cave and Stóragjá Gorge contain naturally heated geothermal water, bathing is now prohibited or strongly discouraged. In Grjótagjá, water temperatures fluctuate and can be dangerously high. For Stóragjá, dangerous algae and unhealthy bacteria like E. coli are present, contributing to the water's blue color but making it unsafe for swimming.

What makes Grjótagjá Cave unique?

Grjótagjá Cave is a lava cave near Lake Mývatn, renowned for its intricate rock formations and a striking thermal spring. Its formation is linked to a rift that is part of the Mid-Atlantic Ridge. It also gained significant cultural recognition as a filming location for the television series "Game of Thrones."

What should I know about Stóragjá Gorge?

Stóragjá Gorge is a compelling rift cave near Reykjahlíð, close to Lake Mývatn. It contains naturally heated geothermal water, often exhibiting a beautiful blue hue. Access involves descending into a vegetated rift, navigating between lava walls, and using stairs, ropes, and sometimes a ladder. It offers a quieter, more off-the-beaten-path experience compared to Grjótagjá.

Are there guided tours available for any of the caves?

Yes, exploring Lofthellir Lava Cave requires a guided tour. This is due to its challenging nature, which includes a 30-minute hike across a lava field and some crawling through narrow passages to experience its unique ice formations.

Are there family-friendly caves in Skútustaðahreppur?

The caves within the Dimmuborgir lava formations, such as Yule Lads Cave (Dimmuborgir Troll Cave) and Elf Living Room Cave, are generally considered family-friendly. The Dimmuborgir area itself is known for its unique rock pillars and is associated with Icelandic folklore, making it an engaging visit for all ages.

What outdoor activities can I do near the caves in Skútustaðahreppur?

The region around Skútustaðahreppur's caves offers various outdoor activities. You can find numerous hiking trails, including easy, moderate, and difficult options. For example, there are routes around Hverfjall Crater, the Skútustaðagígar Pseudocraters, and within the Dimmuborgir lava formations. You can explore more hiking options on the Hiking in Skútustaðahreppur guide.

Are there hiking trails near the caves?

Absolutely. Many caves are situated within areas with established hiking trails. For instance, you can find trails that connect Grjótagjá Cave with other landmarks like Hverfjall Crater. The Dimmuborgir area, home to the Yule Lads Cave, also has several easy loops. Discover more trails in the Hiking in Skútustaðahreppur guide.

What is the best time to visit the caves in Skútustaðahreppur?

The best time to visit generally depends on the type of cave and your preferred experience. Summer (June to August) offers milder weather and longer daylight hours, making access easier for most caves. However, for ice caves like Lofthellir, winter can offer a different, often more dramatic, experience of the ice formations, though access might be more challenging due to snow and ice.

What should I wear when visiting the caves?

Even in summer, caves can be cool and damp, so dressing in layers is advisable. Sturdy hiking boots with good grip are essential, especially for caves with uneven terrain or those requiring a hike to reach. For ice caves or more challenging explorations, waterproof outer layers, gloves, and a headlamp are highly recommended.

Are there any caves associated with local folklore?

Yes, the Dimmuborgir area, which includes the Yule Lads Cave (Dimmuborgir Troll Cave) and Elf Living Room Cave, is steeped in Icelandic folklore. According to legend, Dimmuborgir is home to the murderous troll Gryla, her husband, and their sons, the Yule Lads, who are central figures in Icelandic Christmas traditions.

Are permits required for visiting caves in Skútustaðahreppur?

For easily accessible caves like Grjótagjá Cave or those in Dimmuborgir, permits are generally not required for self-guided visits. However, for more challenging and sensitive caves like Lofthellir, a guided tour is mandatory, and the tour operator will handle any necessary access arrangements.

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