Mount Tate is a mountain in the Mt. Tate range of the northern Hida Mountains (the north Alps). It is in the southeastern area of Toyama Prefecture. It is a general term for three peaks, Mt.O (altitude 3,003 m), Mt. Onanji (altitude 3,015 m), and Fujinooritate (altitude 2,999 m).

It is one of the mountains of Chūbu-Sangaku National Park with the dominant peak of the Tateyama mountain range. The Park was made on December 4, 1934.

It ranks with Mt. Tsurugi. They are some of the few mountains which have an existing glacier in Japan.