The Belaya is a river in the Republic of Adygea and Krasnodar Krai of Russia. It is a left tributary of the Kuban, which it joins in the Krasnodar Reservoir. The river is 265 kilometres (165 mi) long, with a drainage basin of 5,990 square kilometres (2,310 mi2). It has its sources at the main watershed of the Caucasus Mountains. In its upper reaches it is a typical mountain river, and flows through deep canyons, while in its lower parts it is a slow flowing lowland river.