Ōmishima Island
Native name: 大三島 Ōmishima | |
|---|---|
Miyaura port | |
| Geography | |
| Location | Seto Inland Sea |
| Coordinates | 34°14′39″N 133°00′35″E / 34.244139°N 133.009627°E |
| Area | 64.54 km2 (24.92 sq mi) |
| Length | 12.8 km (7.95 mi) |
| Width | 6.2 km (3.85 mi) |
| Coastline | 88.8 km (55.18 mi) |
| Highest elevation | 437 m (1434 ft) |
| Highest point | Washigatozan |
| Administration | |
Japan | |
| Prefecture | Ehime |
| City | Imabari |
| Demographics | |
| Population | 4963 (2020) |
| Pop. density | 77/km2 (199/sq mi) |
| Ethnic groups | Japanese |
Ōmishima Island (大三島, Ōmishima) is the largest island in the Geiyo Islands chain, and the westernmost island on which Japan's Nishiseto Expressway, which links Honshu and Shikoku via a number of islands, runs. It is located in the Seto Inland Sea. The island's highest peak is Washigatozan (鷲ヶ頭山) at an altitude of 437 m (1,434 ft).