| Lewaja Lasnaja | |
|---|---|
| Origin | Mylnisk |
| Mouth | at Vuglyany |
| Basin countries | Belarus |
| Length | 50 kilometres (31 mi) |
| Source elevation | |
| Avg. discharge | |
| Basin area | 750 square kilometres (290 sq mi) |
The river Lewaja Lasnaja (Belarusian: Левая Лясная), in western Belarus, is a right bank tributary of the Bug River. Average discharge at the mounth of 3,6 m3. The average slope of water surface 0,5 ‰.
The Narewka flows through Pruzhany Raion and Kamenets Raion areas of Brest Voblast of Belarus.
River flows through: Mylnisk, Kamyanyets, Vuglyany.
Tributaries: Leśna Prawa, Wishnia.