Bitchū Matsuyama Castle , also known as Takahashi Castle (高梁城), is a Japanese castle located in the city of Takahashi, Okayama Prefecture, in the San'yō region of Japan. It is not to be confused with Matsuyama Castle in Matsuyama, Ehime Prefecture. Along with having one of only twelve remaining original tenshu in the country, Bitchū Matsuyama Castle is notable as the castle with the highest elevation above sea level in Japan at 430 meters (1410 ft). It has been protected by the central government as a National Historic Site since 1956.

Takahashi is a city located in Okayama Prefecture, Japan. As of 28 February 2023, the city had an estimated population of 27,538 in 13,678 households. and a population density of 50 persons per km2. The total area of the city is 546.99 square kilometres (211.19 sq mi). Bitchū Matsuyama Castle overlooks the town. Another significant location is Raikyū-ji, a Buddhist temple with a historic garden.