Mount Tennōzan

Mount Tennōzan (天王山), or simply Tennōzan, is a mountain in Ōyamazaki, Kyoto, Japan. The name originates from a shrine on the mountain dedicated to Gozutennō.

History
Throughout 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" (天下分け目の天王山) was born.