Lasosna
The 883rd longest river in the world
The Lasosna, Lasasyanka (Belarusian), Polish: Łosośna is a river in Poland (Sokółka County) and Belarus (Hrodna and Hrodna district). Of the river's 46 km length, 24 km is in Poland and the rest in Belarus. It is a left-bank tributary of the Neman.
Flows through: Poland.
River data from Wikidata (CC0); lengths normalised to a common unit.