Hanshima
早島
An uninhabited volcanic island and National Park sanctuary south of Niijima, famous for rare bird breeding and summer hammerhead shark sightings.
What it is
- An uninhabited island located 500 meters south of Niijima in the Izu Islands
- A rhyolite lava dome volcano rising 90 meters above sea level
- A designated National Park Special Protection Area for local wildlife
- A former part of Niijima connected by a sandbar until the mid-18th century
What to see
- The distinct Hanshima Volcano lava dome structure
- Breeding grounds for the rare Japanese Murrelet bird species
- Hammerhead sharks spawning in the surrounding waters
- Rugged coastal terrain measuring 600 meters east to west
When to go
- Summer months to observe hammerhead sharks in the nearby sea
Notes written by Japan Gems from facts in Japanese Wikipedia.
Where it is
Hanshima Open in Google Maps
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