The Yatsugatake range is of volcanic origin. It is situated within the Nagano and Yamanashi Prefectures.
The range and the surrounding lava plateaus (Tateshina plateau, Kirigamine and Utsukushigahara) is a protected area, known as Yatsugatake-Chūshin Kōgen Quasi-National Park (established 1964). The Yatsugatake Range is listed as 1 of the 100 famous Japanese Mountains and the Mt. Tateshina of the northern part of the range is listed seperately as well.
The range consists of two volcanic groups with several summits:
Mt. Tateshina 2'530 m
Yoko-dake, also known as Kita Yoko 2'480 m
Aka-dake 2'899 m
Yoko-dake 2'829 m
Iou-dake 2'760 m
Gongen-dake 2'715 m
Nishi-dake 2'398 m
Japan 1968, Yatsugatake-Chūshin Kōgen Quasi-National Park.