also well known as Takakoshi-yama Castle is the remains of a castle structure in

Ibara is a city located in Okayama Prefecture, Japan. The city was founded on March 30, 1953. , the city has an estimated population of 41,460 and a population density of 170 people per km². The total area is . Mergers On March 1, 2005, the town ...

Okayama Prefecture is a Prefectures of Japan, prefecture of Japan located in the Chūgoku region of Honshu. Okayama Prefecture has a population of 1,906,464 (1 February 2018) and has a geographic area of 7,114 Square kilometre, km2 (2,746 sq mi). Okayama Prefectur ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. The castle was built in the

Nanboku-chō period The Nanboku-chō period (南北朝時代, ''Nanboku-chō jidai'', "North and South court period", also known as the Northern and Southern Courts period), spanning from 1336 to 1392, was a period that occurred during the formative years of the Mur ...

against a possible invasion of

Kublai Khan Kublai ; Mongolian script: ; (23 September 1215 – 18 February 1294), also known by his temple name as the Emperor Shizu of Yuan and his regnal name Setsen Khan, was the founder of the Yuan dynasty of China and the fifth khagan-emperor of th ...

's force. It has been said that

Hōjō Sōun , also known as was Japanese ''daimyo'' and the first head of the Later Hōjō clan, one of the major powers in Japan's Sengoku period. Although he only belonged to a side branch of the main, more prestigious Ise family, he fought his way up, gain ...

was born in the castle and he lived in the castle until he started serving the

Ashikaga Shogunate The , also known as the , was the feudal military government of Japan during the Muromachi period from 1336 to 1573.Nussbaum, Louis-Frédéric. (2005)"''Muromachi-jidai''"in ''Japan Encyclopedia'', p. 669. The Ashikaga shogunate was establ ...

. After the fall of the Ise clan, Takakoshi castle was controlled by the

Mōri clan The Mōri clan (毛利氏 ''Mōri-shi'') was a Japanese samurai clan descended from Ōe no Hiromoto. Ōe no Hiromoto was descended from the Fujiwara clan. The family's most illustrious member, Mōri Motonari, greatly expanded the clan's power ...

References

{{reflist Castles in Okayama Prefecture Historic Sites of Japan Former castles in Japan Ruined castles in Japan Mōri clan