Kerið, Volcanic crater lake along Golden Circle, Iceland.
The caldera stretches 270 meters across and descends 55 meters deep, with steep red volcanic rock walls surrounding an aquamarine water basin.
Scientists determined that Kerið formed 6,500 years ago when a cone volcano exhausted its magma chamber and collapsed into the current circular formation.
The crater represents a geological landmark within Iceland's Western Volcanic Zone, connecting the Reykjanes peninsula with the Langjökull Glacier region.
Visitors can walk around the complete rim of the crater and access the water level through a gradual slope covered in thick moss.
The water level in the crater maintains consistency through connection with the groundwater table rather than surface precipitation accumulation.
Location: Grímsnes- og Grafningshreppur
GPS coordinates: 64.04098,-20.88265
Latest update: May 26, 2025 21:03
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