Topolnitsa

General data
- Water type: River
- Progression: Maritsa (Evros) -> Aegean Sea -> Mediterranean Sea -> Atlantic Ocean -> Planet Earth
- Climates: Mountain
- Continents: Europe
- Countries: Bulgaria
Description
The Topolnitsa (Bulgarian: Тополница) is a river in southern Bulgaria, an important left tributary of the Maritsa. Reaching length of 155 km the Topolnitsa is the fourth longest river in the Maritsa drainage, following the Tundzha (390 km), the Arda (290 km) and the Ergene (281 km).