Mitsuishi River
| Mitsuishi River 三石川 | |
|---|---|
| Native name | Mitsuishi-gawa (Japanese) |
| Location | |
| Country | Japan |
| State | Hokkaido |
| Region | Hidaka |
| District | Hidaka |
| Municipality | Shinhidaka |
| Physical characteristics | |
| Source | Mount Setaushi, Hidaka Mountains |
| • location | Shinhidaka, Hokkaido, Japan |
| • coordinates | 42°25′17″N 142°41′30″E / 42.42139°N 142.69167°E |
| • elevation | 280 m (920 ft) |
| Mouth | Pacific Ocean |
• location | Shinhidaka, Hokkaido, Japan |
• coordinates | 42°14′40″N 142°34′11″E / 42.24444°N 142.56972°E |
• elevation | 0 m (0 ft) |
| Length | 31.6 km (19.6 mi) |
| Basin size | 159.4 km2 (61.5 sq mi) |
Mitsuishi River (三石川, Mitsuishi-gawa) is a river in Hokkaido, Japan. It is 31.6 kilometers (19.6 mi) in length and has a drainage area of 159.4 square kilometers (61.5 sq mi).