Château de Toishi, Japanese castle in Shinano Province, Japan
The stone foundations and wooden structures of Toishi Castle stood on a strategic hilltop position in the mountainous region of central Japan.
In 1550, Sanada Yukitaka led a siege against the castle with 4,000 troops, resulting in its capture from Murakami Yoshikiyo after one year.
The castle represented the military architecture of the Muromachi period, when regional lords constructed fortifications to defend their territories in central Japan.
The castle location at 36 degrees north latitude provided defensive advantages with clear views of approaching forces from multiple directions in Shinano province.
The year-long siege of Toishi Castle resulted in the loss of 1,000 defenders before its surrender to the Takeda clan forces.
GPS coordinates: 36.42448,138.29151
Latest update: May 11, 2025 10:08
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