Mount TennōzanMount Tennō, or Mount Tennōzan, is a mountain in Ōyamazaki, Kyoto, Japan. The name originates from a shrine on the mountain dedicated to Gozu Tennō, the ox-headed deity of disease and health.HistoryThroughout history, the mountain was a place of great strategic importance due to its location. Many wars were fought on its sides, including the Battle of Yamazaki between Toyotomi Hideyoshi and Akechi Mitsuhide. Due to its strategic location the Japanese phrase "Decisive as Tennōzan" was born.