Horikoshi Castle, Medieval castle ruins in Hirosaki, Japan
The fortification contains three concentric enclosures protected by moats and earthen ramparts, with a circular inner bailey that defines its layout structure.
The castle emerged in 1336 when Northern Court supporter Soga Sadamitsu established a fortification, later becoming the seat of Oura Tamenobu in 1594.
The former castle grounds include a Kumano Shrine in the inner bailey area, connecting military heritage with religious traditions of the region.
Archaeological excavations between 1998 and 2013 revealed numerous forges, indicating the castle served as a production center for iron and copper items.
The site contains remnants of blacksmith workshops that manufactured various metal products, from iron nails and armor parts to cannonballs.
Location: Hirosaki
Inception: 1336
Website: http://city.hirosaki.aomori.jp/gaiyou/chosya/gyousei/sisekihorikosijou.html
GPS coordinates: 40.57278,140.52139
Latest update: March 4, 2025 10:56
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