Katla is an active volcano in the south of Iceland, with at least 20 eruptions recorded in the last 1,100 years.
On top of Katla sits Mýrdalsjökull Glacier, which is where you will find the caves, formed by meltwater carving paths and tunnels through the ice, which then freezes over.
The caves are in all different shapes and sizes. Looking at the many layers in the ice, like a tree and its rings, you can read the history of when the volcano erupted, due to layers of ash.
Depending on how light hits the ice, different colors and shades are revealed. The caves can also be unstable, and safety gear is required before entering.
The caves are constantly changing due to weather and glacier movement. It is highly recommended to go with a guide.
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