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Gotska Sandön national park
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Geology

Gotska Sandön is composed of an immense sand and gravel ridge that is part of a large displacement from the latest Ice Age and that extends from Fårö (38 km to the south) to Kopparstenarna, 18 km north of the island.

The island rose up from the Litorina Sea about 7,000 years ago and is undergoing continuous change. It is steadily diminishing in the south-west, and Bredsandsudde in the north-west changes appearance from day to day. Here and there one can find large erratic boulders. The more well-known ones are “Elefanten”, “Vassestenen” and “Torparestugan”.