Mývatn: The Diamond of the North.
Grjótagjá
Grjótagjá is a hidden gem tucked away in a fissure near Lake Mývatn. This small lava cave houses a stunning geothermal hot spring, famous for its impossibly clear, sapphire-blue water. Once a popular local bathing spot, volcanic activity in the 1970s caused the temperatures to skyrocket, and today bathing is strictly prohibited. However, the cave remains a must-visit, especially for Game of Thrones fans, as it served as the filming location for Jon Snow and Ygritte’s famous scene. Even without a dip, the contrast between the jagged lava roof and the serene, steaming water creates a magical, mystical atmosphere.
The cave’s luminous, warm blue waters contrast strikingly with the dark lava walls, producing a captivating and almost magical atmosphere. Natural light filters softly into the cave, enhancing its mysterious charm and making it a favorite spot for photography.
Grjótagjá is located near Dimmuborgir lava fields and can be reached via Route 1 and then Route 860. Visitors must walk a short but rocky path to reach the cave entrance. Caution is advised on uneven terrain and steep steps. The site is on private land, and visitors are asked to respect the owners’ rules and not bathe in the cave.
Visiting Grjótagjá is free, but there are no facilities on site.
As a popular filming location and natural attraction in the Lake Mývatn region, Grjótagjá can attract a steady stream of visitors, especially during summer. Early visits or off-season trips provide a quieter experience.
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