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). Bigger towns along the river are Rubtsovsk and Aleysk.
|52°51′16″N 83°36′59″E / 52.8544°N 83.6165°ECoordinates: 52°51′16″N 83°36′59″E / 52.8544°N 83.6165°E|
|Length||858 km (533 mi)|
|Basin size||21,100 km2 (8,100 sq mi)|
|Progression||Ob→ Kara Sea|
The river flows along the Ob Plateau in its middle and lower course. 
- ^ "Река АЛЕЙ in the State Water Register of Russia". textual.ru (in Russian).
- ^ "M-44 Topographic Chart (in Russian)". Retrieved 2 July 2022.
- ^ "N-44 Topographic Chart (in Russian)". Retrieved 2 July 2022.