The Belaya (/ˈbɛlaɪə/ BEL-y-ə)[a] is a river in Bashkortostan, Russia.Its source lies in the south-western Ural Mountains.It is 1,430 kilometres (890 mi) long, and its drainage basin covers 142,000 square kilometres (55,000 sq mi).The largest tributaries of the Belaya are, from source to mouth:[1] This Bashkortostan location article is a stub.You can help Wikipedia by expanding it.This article related to a river in Russia is a stub.