Oshima (Hokkaido)

Ōshima (大島) (means "big island") is an uninhabited island in the Sea of Japan, 50 kilometers (31 mi) to the west from Matsumae town and therefore the westernmost point of Hokkaido. It is part of the town of Matsumae in Oshima Subprefecture in Hokkaido, Japan. To distinguish Ōshima from other islands with the same name, it is sometimes known as Oshima Ōshima (渡島大島) or Matsumae Ōshima (松前大島). On the south side of the island at Aidomari (北風泊, Aidomari), there is a lighthouse and a heliport operated by Japan Coast Guard.

Oshima (Hokkaido)

Ōshima (大島) (means "big island") is an uninhabited island in the Sea of Japan, 50 kilometers (31 mi) to the west from Matsumae town and therefore the westernmost point of Hokkaido. It is part of the town of Matsumae in Oshima Subprefecture in Hokkaido, Japan. To distinguish Ōshima from other islands with the same name, it is sometimes known as Oshima Ōshima (渡島大島) or Matsumae Ōshima (松前大島). On the south side of the island at Aidomari (北風泊, Aidomari), there is a lighthouse and a heliport operated by Japan Coast Guard.