description Grjótagjá Overview
Grjótagjá is a small lava cave situated near Lake Mývatn in northern Iceland. It features a thermal spring inside the cave, which historically served as a popular bathing location. However, following intense volcanic activity and geological shifts between 1975 and 1984, the water temperature rose significantly, exceeding 50 degrees Celsius. Due to these high temperatures, swimming in the cave is no longer recommended for safety reasons.
help Grjótagjá FAQ
Where is the Grjótagjá lava cave located?
Grjótagjá is located in northeastern Iceland, near the famous Lake Mývatn. It is situated in a highly active geothermal region known for its dramatic volcanic landscapes and bubbling mud pools.
Can you swim in the geothermal water inside Grjótagjá?
No, swimming is strictly prohibited in the cave's waters today. Following the volcanic activity from 1975 to 1984, the water temperature exceeded 50 degrees Celsius, making it dangerously hot and unsafe for bathing.
Was Grjótagjá featured in any popular television shows?
Yes, the lava cave gained massive international fame when it was used as a filming location for Game of Thrones. It appeared in Season 3 as the backdrop for a romantic scene between the characters Jon Snow and Ygritte.
What exactly is a lava tube like Grjótagjá?
A lava tube is a natural cave formed when a river of molten lava flows beneath a hardened crust. As the eruption subsides, the remaining lava drains away, leaving a hollow tunnel with distinct, cavernous rock formations.
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