The Three Holy Mountains of Japan (日本三霊山, Nihon Sanreizan)[self-published source?] are three mountains revered by tradition in Japan.
The Three Holy Mountains are:
Mount Tate (立山) ('standing mountain') known for its onsen 温泉 (Hot springs) and the cobalt blue waters of Mikurigaike みくりが池. It is also known for its steaming Jigokudani 地獄谷 (Hell Valley)