Mount Tateshina (蓼科山, Tateshina-yama) also Suwa Fuji is a complex volcano located on the border of the municipalities of Chino and Tateshina in Nagano Prefecture, Japan.

Mount Tateshina is a typical complex volcano.

Mount Tateshina is an important part of Yatsugatake-Chūshin Kōgen Quasi-National Park.

Routes to climb up Mount Tateshina are well-developed.

The most popular route is to start from the Nanagome parking lot.