| Zavkhan River (Завхан гол) | |
| River | |
| Country | Mongolia |
|---|---|
| Aimags | Zavkhan, Govi-Altai |
| Tributaries | |
| - right | Shurga River |
| Primary source | Buyant River |
| - location | Khangai Mountains |
| Secondary source | Shar-Us River |
| Mouth | Khyargas Lake in Great Lakes Depression |
| - location | Khyargas, Uvs, Mongolia |
| Length | 670 km (416 mi) |
Zavkhan River (Mongolian: Завхан гол) is a river in Mongolia. It flows from Khangai Mountains to Lake Khyargas. Drainage area: over 71,000 km2. The river forms most of the border between the Govi-Altai and Zavkhan aimags. The length of the river is 670 kilometres.[1]