This is Mt. Kita-dake(3193m 10476ft) in South Alps.
Mt. Senjouga-take and Mt. Houou-sanzan are seen in movie. Mt. Kai-komaga-dake is just hidden oneself in the person and not seen.
Because Mt. Kita-dake is an altitude in the second place in Japan, the view of 360 degrees is obtained. A lot of famous mountains are seen.
It is one of the Shirane 3 mountains. Popularity is understood from there are a lot of lodges. The alpine plant is abundant, and the ptarmigan also lives.
The rock wall that is called Kitadake-buttress is famous.