The Topolnitsa ( bg, Тополница ) is a river in southern Bulgaria, an important left tributary of the Maritsa. It takes its source from Bich Peak in Sredna Gora close to

Koprivshtitsa Koprivshtitsa ( bg, Копривщица, pronounced , from the Bulgarian word , ''kopriva'', meaning "nettle") is a historic town in the Koprivshtitsa Municipality in Sofia Province, central Bulgaria, lying on the Topolnitsa River among the S ...

; it is known as the Shirineyska in its upper course. Its average

discharge Discharge may refer to Expel or let go * Discharge, the act of firing a gun * Discharge, or termination of employment, the end of an employee's duration with an employer * Military discharge, the release of a member of the armed forces from serv ...

is 55 m³/s and it is long; its drainage basin covers . The Topolnitsa flows into the Maritsa near Pazardzhik after making a large turn under

Trakiya motorway The Trakia motorway (, ) or Thrace motorway, designated A1, is a motorway in Bulgaria. It connects the capital city of Sofia, the city of Plovdiv and the city of Burgas on the Black Sea coast. The motorway is named after the historical region of ...

. The

Topolnitsa Reservoir {{Infobox lake , name = Topolnitsa Dam Язовир Тополница , image = Topolnitsa Dam 157.JPG , caption = The far northern part of the Topolnitsa Dam, near the village of Poibrene. , image_bathymetry = , pushpin_map=Bulgaria , capti ...

has a maximum volume of and serves the area around Pazardzhik. Among the Topolnitsa's tributaries are the Mativir and the Bunovo River. The river's name is derived from the Bulgarian word топола, ''topola'' (" poplar").

References

* Rivers of Bulgaria Landforms of Sofia Province Landforms of Pazardzhik Province {{Bulgaria-river-stub