Ural << YUR uhl >> River is a shallow river that rises in the southern Ural Mountains in Russia. The Ural flows south from Russia through Kazakhstan for about 1,570 miles (2,527 kilometers) and enters the Caspian Sea through several mouths. Salmon and sturgeon fisheries are along the Ural. Railroads cross it at Orenburg and Oral. Magnitogorsk, a major steel center of Russia, lies on the upper Ural.