Topolnitsa

Water type: River
Continent: Europe
Climate: Mountain
Country: Bulgaria

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).