- Location
- Takehara, Hiroshima — Seto Inland Sea national park
- Access
- Ferry from Tadanoumi (Takehara) or Ōmishima
- Size
- 0.7 km² ・ 4.3 km of coastline ・ highest point 108 m
- Rabbits
- Around 500 wild rabbits, descendants of a few released by a local school in the early 1970s; the island has no predators
- History
- A secret Army poison-gas plant from 1929 to 1945, once left off maps; the Poison Gas Museum opened in 1988
- On island
- Kyuqamura resort, Poison Gas Museum and visitor centre; no private vehicles on the island