Ertil River
| Ertil (Russian: Эртиль) | |
| River | |
| Country | Russia |
|---|---|
| Region | Voronezh Oblast, Tambov Oblast |
| Source | |
| - elevation | 180 m (591 ft) |
| Mouth | |
| - location | Bityug River |
| - elevation | 107 m (351 ft) |
| Length | 75 km (47 mi) |
Ertil River (Russian: Эртиль) is a river that flows within the basin of the Don River in Voronezh Oblast and Tambov Oblast, Russia. It is 75 kilometres (47 mi) long. The Ertil River flows into the Bityug River.
Coordinates: 51°46′27″N 40°29′52″E / 51.77417°N 40.49778°E