Rilska River
The 883rd longest river in the world
The Rilska River (Bulgarian, Rilska reka, "Rila River") is a river in south-western Bulgaria, a left tributary of the Struma. The river is 51 km long and drains the western sections of the Rila mountain range.
Flows through: Bulgaria.
River data from Wikidata (CC0); lengths normalised to a common unit.