Kōzan-ji , officially Toganōsan Kōsan-ji , is a Buddhist temple of the Omuro sect of Shingon Buddhism in Umegahata Toganōchō, Ukyō Ward, Kyoto, Japan. Kōzan-ji is also known as Kōsan-ji and Toganō-dera. The temple was founded by the Shingon scholar and monk Myōe and is renowned for its numerous national treasures and important cultural properties. The Chōjū-jinbutsu-giga, a group of ink paintings from the 12th and 13th centuries, are among the most important treasures of Kōzan-ji. The temple celebrates Biyakkōshin, Zenmyōshin and Kasuga Myōjin, as well as the temple's tutelary Shintō deity. In 1994, it was registered as part of the UNESCO World Heritage Site "Historic Monuments of Ancient Kyoto".