The Pamir-Alay stretches between the valleys of the rivers Syr Darya (Fergana Valley) to its north and Vakhsh to its south. Its highest summit is Pik Skalisty (, rocky peak), 5621 m, in the Turkestan Range. The Pamir-Alay is about 900 km long in west-east direction, and up to 150 km wide in the Western part.