Kōnodai Castle, Japanese castle in Ichikawa, Japan.
The castle stood on a riverside terrace between the Nishi-Edogawa and Sakagawa rivers, extending 650 meters north to south and 150 meters east to west.
Constructed in 1479 by Sukechika Ota, the fortress changed hands multiple times during conflicts between the Hojo, Satomi, Chiba, and Uesugi clans until 1590.
The castle grounds contain ancient burial mounds, including the Akedo Kofun, which revealed stone coffins during the 1479 military operations.
The castle site, now part of Satomi Park, maintains sections of its original moats and earthwork fortifications from the medieval period.
Following orders from Tokugawa Ieyasu, the castle was dismantled as it provided a strategic viewpoint overlooking Edo, present-day Tokyo.
Location: Kōnodai
Inception: 1479
Founders: Ōta Suketada
GPS coordinates: 35.74820,139.89832
Latest update: May 11, 2025 12:04
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