The Wrześnica is a 49-kilometer (30.4 mi)-long, right (or northern)

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of the

Warta The river Warta ( , ; german: Warthe ; la, Varta) rises in central Poland and meanders greatly north-west to flow into the Oder, against the German border. About long, it is Poland's second-longest river within its borders after the Vistula, a ...

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...

. Its river basis covers an area of 355 km². It has its source near Piekary, a suburb of

Gniezno Gniezno (; german: Gnesen; la, Gnesna) is a city in central-western Poland, about east of Poznań. Its population in 2021 was 66,769, making it the sixth-largest city in the Greater Poland Voivodeship. One of the Piast dynasty's chief cities, ...

. It meets the Warta near the village of Samarzewo. Important cities along the Wrześnica river include

Czerniejewo Czerniejewo (german: Schwarzenau) is a town and municipality in central Poland with 2,654 inhabitants as of December 2021. It is situated in Gniezno County, in the Greater Poland Voivodeship (since 1999), previously in Poznań Voivodeship (197 ...

Września Września (german: Wreschen) is a town in west-central Poland with 28,600 inhabitants (1995). It is situated in the Września County, Greater Poland Voivodeship (since 1999), previously in Poznań Voivodeship (1975–1998), on the Wrześnica Riv ...

. Close to the city of Września, the artificial Wrzesińskie Lake was created on the river, colloquially also called the Lipówka Reservoir.

References

{{coord, 52.19687, 17.77201, type:river_region:PL, format=dms, display=title Rivers of Poland