Ōshima (Japanese: 大島, Hepburn: Ōshima) is a rocky island off the northern coast of Natsudomari Peninsula in Mutsu Bay. The island is a part of Hiranai in Aomori Prefecture. The island has 3 km (1.9 mi) of coastline and an area of 0.16 km2 (0.062 sq mi). It is a part of the prefecture-maintained, Asamushi-Natsudomari Prefectural Natural Park. | ||||||
Location: Mutsu Bay | ||||||
Coastline: 3 km (1.9 mi) | ||||||