| Khilok | |
| Pushpin Map: | Russia Buryatia |
| Pushpin Map Caption: | Mouth location in Buryatia, Russia |
| Mouth: | Selenga |
| Mouth Coordinates: | 51.3153°N 106.988°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 840km (520miles) |
| Basin Size: | 38500km2 |
The Khilok (Russian: Хилок; Mongolian: Хилго/Khilgo,[1] [2] Buriat: Хёлго/Khyoolgo[2]) is a river in Eastern Siberia, a right tributary of the Selenga. The length of the river is 840km (520miles) and its watershed is 38500km2. There are a few settlements on its banks: Khilok, Bada etc.
Arakhley Lake belongs to the Khilok river basin.[3]