Château de Grand 峪 城, Medieval castle ruins in Gofuku, Toyama, Japan.
The square main bailey measured 38 ken on each side, with watchtowers positioned at its southwestern and southeastern corners.
Built during the Sengoku period by Jinbo Nagamoto, the castle fell to Toyotomi Hideyoshi's forces in 1585 during the siege of Toyama Castle.
The fortress name Iga Castle derives from its commander Katayama Nobutaka, who held the title of Iga-no-kami, a regional governor position.
The castle site now houses Gofuku Elementary School, where archaeological excavations revealed a 14-meter-wide and 3.5-meter-deep moat with an earth bridge.
The castle maintained two separate enclosures, with the eastern bailey measuring half the size of the main compound and featuring a coguchi gate on its northern side.
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