also well known as Takakoshi-yama Castle is the remains of a castle structure in Ibara, Okayama Prefecture, Japan. The castle was built in the Nanboku-chà  period against a possible invasion of Kublai Khan's force.
It has been said that Hà Âjà  Sà Âun was born in the castle and he lived in the castle until he started serving the Ashikaga Shogunate. After the fall of the Ise clan, Takakoshi castle was controlled by the Mà Âri clan.