Location: Suruga Province.
Features: Located in mountainous terrain at an elevation of 297 meters overlooking the Shida Plain. The castle was fortified with neck ditches running north and south over the top crest of the mountain as well as on lower crests. Protected by primary and secondary walls, in addition to mounds surrounding the castle.
History: Built in 1353 by Imagawa Noriuji. In 1536, the sudden death of Imagawa Ujiteru triggered a succession struggle between Imagawa Yoshimoto and his brother, Genkō Eitan known as the Hanakura no Ran. During the battle, Yoshimoto first captured Kinoshita castle from Eitan and Hanakura castle fell soon thereafter. Eitan fled only to take his own life, bringing an end to the struggle.