Bolgarchay
The 883rd longest river in the world
The Bolgarchay (Azerbaijani: Bolqarçay, Bālhārūd) is a river, which forms part of the Azerbaijan–Iran border. It is 134 km (83 mi) long, and has a drainage basin of 2,170 km2 (840 sq mi).
Flows through: Iran.
River data from Wikidata (CC0); lengths normalised to a common unit.