Nationalpark Vorpommersche Boddenlandschaft
The Möwenstein is a glacial erratic that was transported south from the area of the present-day island of Bornholm by the ice sheet during the last glaciation. It is located on the island of Ummanz in the west of Rügen within the Western Pomerania Lagoon Area National Park. Erratics are relatively uncommon here, most of them lie east of the island of Rügen.