, also known as Tsukioka Castle, is a hirayamashiro (a castle

Japanese castle

' were fortresses composed primarily of wood and stone. They evolved from the wooden stockades of earlier centuries, and came into their best-known form in the 16th century...

 located on a hill surrounded by plains) located in Kaminoyama

Kaminoyama, Yamagata

is a city located in Yamagata Prefecture, Japan.As of 2008, the city has an estimated population of 34,784 and the density of 144 persons per km². The total area is 240.95 km².The city was founded on October 1, 1954.-Railway stations:...

, Yamagata Prefecture

Yamagata Prefecture

-Fruit:Yamagata Prefecture is the largest producer of cherries and pears in Japan. A large quantity of other kinds of fruits such as grapes, apples, peaches, melons, persimmons and watermelons are also produced.- Demographics :...

, Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. The castle was built in 1535 by Buei Yoshitada of the Mogami Clan to defend their southern border. It gained importance during the struggles between Lord Mogami and Date Masamune. It later came under control of the Toki Clan, though the castle was torn down when they moved to another area in 1692. The tenshu (keep) was reconstructed in 1982 out of concrete. It contains a local history museum.