Wełna (river)
The 883rd longest river in the world
The Wełna (Welna, also Kleine Warthe) is a river in west-central Poland, a right tributary of the Warta river, with a length of 118 kilometres (73 mi) and a basin area of 2,635 square kilometres (1, 017 sq mi).
Flows through: Poland.
River data from Wikidata (CC0); lengths normalised to a common unit.