Dōzan River
33°55′42.26″N 133°31′25.6″E / 33.9284056°N 133.523778°E
| Dōzan River 銅山川 | |
|---|---|
| Location | |
| Country | Japan |
| Physical characteristics | |
| Source | |
| • location | Mount Kanmuri |
| • elevation | 1,732 m (5,682 ft) |
| Mouth | |
• location | Yoshino River |
| Length | 55 km (34 mi) |
| Basin size | 280 km2 (110 sq mi) |
| Discharge | |
| • average | 500 m3/s (18,000 cu ft/s) |
The Dōzan River (銅山川, Dōzan-gawa) is the largest branch of the Yoshino River and flows through Ehime and Tokushima prefectures in Japan. Its name was derived from the Besshi copper mine that is now closed. In Tokushima Prefecture, it is called the Iyo River (伊予川 Iyo-gawa).