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Ōnohara Islands

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大野原島

Uninhabited volcanic reefs west of Miyakejima offering a protected bird habitat and prime locations for fishing and scuba diving.

Ōnohara Islands
国土交通省 Attribution resized via Wikimedia Commons

What it is

  • A group of more than ten uninhabited reefs and rocks also known as Sanbondake.
  • Part of the Izu Islands administered by Miyake Village in Tokyo.
  • The entire area is designated as a National Park Special Protection Zone.
  • Koyane serves as a protected habitat for the rare Japanese Murrelet.

What to see

  • Koyane rock which reaches a height of 114 meters above the sea.
  • Diverse marine life in the waters surrounding the rocky outcrops.
  • Scientific monitoring stations installed on the rocks of Ohne and Magakune.

Getting there

  • Boat departures are available from Ako Port on Miyakejima.
  • The journey from the port to the islands takes thirty minutes.

Notes written by Japan Gems from facts in Japanese Wikipedia.

Where it is

Ōnohara Islands Open in Google Maps

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