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Mount Ariake

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有明山

A 558-meter peak in Iki-Tsushima Quasi-National Park offering seasonal flowers and historic castle ruins on its slopes.

Mount Ariake
Ackeyyama CC BY-SA 4.0 resized via Wikimedia Commons

What it is

  • A mountain standing at 558 meters within the Iki-Tsushima Quasi-National Park.
  • One of the 100 Island Mountains of Japan featuring a first-class triangulation point.
  • A natural site composed of sandstone, shale, and hornfels geology.

What to see

  • Silver grass fields covering the summit area.
  • The ruins of Shimizuyama Castle located on the eastern slope.
  • Rhododendrons and Kousa dogwood blooming during the spring months.

When to go

  • April to see the rhododendrons in bloom.
  • May to June for the Kousa dogwood flowers.

Getting there

  • The trailhead is located near the Tsushima Tourism Information Center.
  • The hike to the summit takes approximately two hours from the base.

Notes written by Japan Gems from facts in Japanese Wikipedia.

Where it is

Mount Ariake Open in Google Maps

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