Kaminoyama Castle is classified as a hilltop castle, and is located in Yamagata Prefecture. During the pre-modern age, it found itself within the borders of Dewa Province. It is associated with the Mogami, Matsudaira clans. Dates in use: 1535 - 1873.

This castle was built when Buei Yoshitada, a retainer of the Mogami Clan, expanded the defences of Tsukioka Castle. This castle was built at the southern edge of the Mogami clan's territory and played a part in the conflicts between the Mogami & the Date clans.

Timeline

1535	The castle was built.
1628	The main tower was completed.
1697	The Fujii branch of the Matsudaira clan were transferred here & remained until the castle was abandoned.
1873	The castle was abandoned.
1982	The main tower was reconstructed using concrete.