Belukha Mountain (Russian:Белуха, lit "whitey"; Altai: Muztau or Üç Sümer), located in the Katun Mountains, is the highest peak of the Altai Mountains in Russia. It is part of the World Heritage Site entitled Golden Mountains of Altai.

Belukha is a three-peaked mountain massif that rises along the border of Russia and Kazakhstan, just a few tens of miles north of the point where this border meets with the border of China. There are several small glaciers on the mountain, including Belukha Glacier. Of the two peaks, the eastern peak (4,506 m, 14,784 ft.) is higher than the western peak (4,440 m, 14,567 ft.).