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Bayonnaise Rocks

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ベヨネース列岩

A remote volcanic reef formation south of Tokyo, serving as a resting place for migratory birds and an active volcano site.

Bayonnaise Rocks
国土交通省 Attribution resized via Wikimedia Commons

What it is

  • A group of three large and several small reefs located 408 kilometers south of Tokyo.
  • An active volcano registered by the Japan Meteorological Agency on the edge of the Myojinsho Caldera.
  • A formation discovered by a French corvette in 1846, also known as Myojin Volcano.
  • A resting place for migratory birds with a maximum elevation of 9.9 meters.

What to see

  • Exposed volcanic rocks and reefs rising from the Pacific Ocean.
  • Discolored water caused by ongoing volcanic activity near the site.
  • Migratory birds resting on the rocky outcrops during their journey.
  • The surrounding sea area where hydrothermal deposits of gold and silver exist on the seabed.

Getting there

  • Access requires a six-hour boat journey from Hachijojima.

Notes written by Japan Gems from facts in Japanese Wikipedia.

Where it is

Bayonnaise Rocks Open in Google Maps

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