Grjótagjá Cave

4.1 ⭐ (200)・Tourist Attraction
4267 Awas Manor , katla Iceland ,14728

Grjótagjá Cave is a small lava cave in northern Iceland, near Lake Mývatn. It is famous for its natural hot spring inside. The cave was formed by volcanic activity, which heated the water over time. The water temperature can vary but is usually around 43–46°C (109–115°F). This makes it a warm and inviting spot. The cave's entrance is narrow, leading into a dark but magical space with light filtering through cracks in the rocks. Inside, the walls are made of rough lava rock, adding to its unique and rugged beauty. Over the years, Grjótagjá has become a popular destination for visitors who are curious about natural wonders. In the past, locals used the cave as a bathing spot, especially during the colder months. However, due to volcanic activity in recent decades, the water temperature sometimes rises, making it unsafe for bathing. As a result, bathing is now discouraged to protect both visitors and the cave's natural environment. Grjótagjá also gained fame after being featured in television shows like "Game of Thrones," attracting fans from around the world. Despite its popularity, it remains an enchanting place that showcases Iceland's volcanic landscape.

Hour

Monday: 9:00 AM – 11:00 PM
Tuesday: 9:00 AM – 11:00 PM
Wednesday: 9:00 AM – 11:00 PM
Thursday: 9:00 AM – 11:00 PM
Friday: 9:00 AM – 11:00 PM
Saturday: 9:00 AM – 11:00 PM
Sunday: 9:00 AM – 11:00 PM

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Frequently asked questions

What is Grjótagjá Cave known for?

Grjótagjá Cave is famous for its geothermal hot spring located inside a lava cave. It gained additional fame after being featured in the TV series Game of Thrones.

Can you swim in the hot spring inside Grjótagjá Cave?

While the hot spring was once a popular bathing spot, increased geothermal activity has raised the water temperature, making it too hot for bathing at times. Visitors should check current conditions and exercise caution.

Where is Grjótagjá Cave located?

Grjótagjá Cave is located near Lake Mývatn in northern Iceland, a region renowned for its volcanic landscapes and geothermal features.

What is the historical significance of Grjótagjá Cave?

Historically, Grjótagjá Cave served as a hideout for outlaws in the early 18th century. It later became a popular local bathing spot until volcanic activities in the 1970s altered its conditions.

Are there any nearby attractions to visit along with Grjótagjá Cave?

Yes, visitors can explore nearby attractions such as Hverfjall crater, Dimmuborgir lava fields, and Námaskarð geothermal area, all of which offer unique insights into Iceland's volcanic and geothermal activity.