
KENPEI / CC BY-SA 3.0
Osaka · Kansai
A mountain fortress built by Kusunoki Masashige in the early 1330s on the slopes of Mount Kongo, famed for withstanding a prolonged siege during the Kenmu Restoration; now a National Historic Site reachable only via a hiking trail, with stone steps at the old Otemaguchi entrance and a small shrine at the ruins.
Usual hours — confirm with the official site for holidays + seasonal closures.
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