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  4. Kaneda Castle Ruins
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Kaneda Castle Ruins

Saigen Jiro / CC0

Kaneda Castle Ruins

金田城

Nagasaki · Kyushu

The stacked-stone ramparts of a 7th-century frontier fortress on Joyama, built to guard Aso Bay against a feared Tang–Silla invasion.

Why it's hidden

An ancient defensive fort hidden in the forest of a far-flung border island.

Best season
Year-round
Crowd level
Hidden gem
Rating
4.6· 327 reviews
Opening hours
Daily Open 24 hours

Usual hours — confirm with the official site for holidays + seasonal closures.

Admission
Free-access mountain ruins/hiking site (national historic site) on Tsushima; no admission gate. Per Tsushima City official page.
Nearest station
Izuhara Port + car + trail
Website
city.tsushima.nagasaki.jp/gyousei/soshiki/kyouiku/bunkazaika/bunkazai/shinainobunkazai/1274.html

Today

Open 24 hoursFree

Stored weekly hours

Daily Open 24 hours

Tags

historyruinshikingisland

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