Japan / Kanto Region /

JP075Oshima island

Site Description


Ohshima, which is located about 110 km south of Tokyo metropolitan area, is the largest island in the Izushoto islands. These islands fall within the Tokyo administrative district even though they are more than 100 km from Tokyo. It has a composite volcano, Mt. Miharayama, at the center. We can see precipitous cliffs on the east side of the volcano, and a flat land on the west side. The soil of this island mainly consists of basalt. And outcrops of lava and volcanic ejecta due to repeated eruptions can be seen everywhere.

Area & Coordinates

9,105ha 34°44′N 139°24′E
region: Kanto


A1, A2

Designation Type

National Park, Wildlife Protection Area (Local)

Protection Status


Conservation issues


Breeding resident

Turdus celaenops, Columba janthina

Breeding visitor

Locustella pleskei, Phylloscopus ijimae

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Copyright Wild Bird Society of Japan (WBSJ)