
Fg2, public domain
Nagano · Chubu
One of Japan's 12 surviving original-keep castles and a National Treasure: a black-and-white six-story wooden donjon (dating to around 1594) that rises straight from flat ground, mirrored in its moat — the only original keep with this 'hirajiro' flatland castle form.
Usual hours — confirm with the official site for holidays + seasonal closures.
Today
8:30–16:30Admission
Stored weekly hours
Daily 8:30 AM – 4:30 PM
Closures
Note
How to get there
15-min walk from Castle Exit, or 5 min via the Town Sneaker loop bus.
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