Stóragjá, Geothermal cave near Lake Mývatn, Iceland.
The narrow cave contains a thermal spring with bright blue water, accessed through a tight ravine using ropes and carved stone steps.
After the 1975-1984 volcanic eruptions in the region, Stóragjá became an alternative bathing site when Grjótagjá's water temperatures exceeded safe levels.
Local inhabitants developed specific techniques to navigate the cave's entrance, establishing rope-assisted descent methods for accessing the thermal waters.
Metal stairs lead visitors down a 200-meter pedestrian path from the main road to reach the cave entrance at coordinates 65.638243, -16.909879.
Despite its thermal waters reaching perfect bathing temperatures, swimming remains prohibited due to the presence of specific algae that create the water's blue color.
GPS coordinates: 65.63824,-16.90988
Latest update: April 23, 2025 05:20
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