The Aley (Russian: Алей) is a river in Altai Krai, Russia. It is a left tributary of the Ob. It is 858 kilometres (533 mi) long, and has a drainage basin of 21,100 square kilometres (8,100 sq mi).[1] Some of the towns along the river are Rubtsovsk, Gorkovskoye and Aleysk.
Course
The river flows along the Ob Plateau in its middle and lower course.[2][3]