Osława
The 883rd longest river in the world
The Osława (Oslava, Oslawa) is a river in South-Eastern Poland. Its name comes from the ancient west Slavic dialect word osła, meaning "stone". It begins in the Bieszczady mountains and flows through western Sanok Land. The river ultimately flows into the San near Bykowce, north of Zagórz.
Flows through: Poland.
River data from Wikidata (CC0); lengths normalised to a common unit.