Grjótagjá is a lava cave close to Lake Mývatn, the cave has a thermal spring and has become a popular tourist destination in Iceland over the last few years due to hit television show Game of Thrones. The cave had a famous scene with two of the main characters filmed inside it, Jon Snow and Brigitte.
There aren't many options to get to the cave other than by car, it is best to head along Road 860 and the cave is well signposted, the sight has a small car park.
Opening Times and Admission
Entrance to the cave is free.