Prosna

Bridge over the Prosna in Kalisz

The Prosna is a river in western Poland, and left-side tributary of the Warta.

Course

It rises in the Opole Voivodeship and ends after 180 km in length running north walking far from Pyzdry (German Peisern ) in the Warta. Until 1918, the Prosna was almost its entire length, a border river of the German and Russian Empire and 1918-1939 made ​​their run south the border between the German Empire and the Republic of Poland.

Largest city on the Prosna is Kalisch.

Inflows

In the Prosna flow right side Łużyca, Pokrzywnica, Swędrnia and left side Ołobok.