| Southern Yatsugatake Volcanic Group | |
|---|---|
 Yatsugatake from Mount Gongen (August 2010) | |
| Highest point | |
| Peak | Mount Aka |
| Elevation | 2,899 m (9,511 ft) |
| Coordinates | 35°58′15″N 138°22′12″E / 35.97083°N 138.37000°E |
| Naming | |
| Etymology | Southern mountains with eight peaks |
| Native name | |
| Geography | |
  Southern Yatsugatake Volcanic Group | |
| Country | Japan |
| Prefectures | Nagano Prefecture and Yamanashi Prefecture |
| Region | Chūbu |
| Districts | Minamisaku and Suwa |
| Municipalities | Hara, Fujimi, Chino, Hokuto and Minamimaki |
| Parent range | Yatsugatake Mountains |
| Borders on | Northern Yatsugatake Volcanic Group |
| Biome | Alpine climate |
| Geology | |
| Orogeny | Island arc |
| Age of rock | Quaternary |
| Type of rock | Volcanic |
Southern Yatsugatake Volcanic Group (南八ヶ岳, Minami-Yatsugatake), also known as just Yatsugatake is a volcanic group of inactive volcanoes located on the border of Nagano Prefecture and Yamanashi Prefecture on Honshū in Japan.