Chūson-ji is a Buddhist temple in the town of Hiraizumi in southern Iwate Prefecture, Japan. It is the head temple of the Tendai sect in Tōhoku region of northern Honshu. The temple claims it was founded in 850 by Ennin, the third chief abbot of the sect. George Sansom states Chūson-jí was founded by Fujiwara no Kiyohira in 1095. Chūson-jí was designated as a Special Historic Site in 1979 and in June 2011 was listed as a UNESCO World Heritage Site as a part of the "Historic Monuments and Sites of Hiraizumi".