| Arigiin River (Аригийн гол) | |
| River | |
| Country | Mongolia |
|---|---|
| Aimags | Khövsgöl aimag |
| Source | Döm Mountain |
| - location | Chandmani-Öndör sum |
| - coordinates | 50°13′20″N 100°37′15″E / 50.22222°N 100.62083°E |
| Mouth | Üür River |
| - location | Tsagaan-Üür sum |
| - coordinates | 50°30′50″N 101°34′50″E / 50.51389°N 101.58056°ECoordinates: 50°30′50″N 101°34′50″E / 50.51389°N 101.58056°E |
Arigiin River (Mongolian: Аригийн гол) is a river in the Khövsgöl aimag of Mongolia. It starts next to Döm Mountain in the confluence of two smaller rivers at the border between Alag-Erdene and Chandmani-Öndör sums, continuing through the latter. It discharges into the Üür River next to the Tsagaan-Üür sum center.