The Bityug (Russian: Битюг) is a river in Voronezh Oblast, Russia, a left tributary of the Don. Its upper reaches are located in Tambov Oblast. The Bityug is 379 kilometres (235 mi) long, with a basin of 8,840 square kilometres (3,410 sq mi).[1] There are more than 400 lakes in the Bityug basin. The river freezes up in mid-December and stays icebound until late March or early April.
| Bityug | |
|---|---|
 | |
| Native name | Битюг (Russian) |
| Location | |
| Country | Russia |
| Physical characteristics | |
| Mouth | Don |
• coordinates | 50°37′33″N 39°55′18″E / 50.62583°N 39.92167°E |
| Length | 379 km (235 mi) |
| Basin size | 8,840 km2 (3,410 sq mi) |
| Basin features | |
| Progression | Don→ Sea of Azov |
| Tributaries | |
| • left | Ertil |