The Ural River is a major river in Russia that flows from the Russian Ural Mountains to the Caspian Sea. It is the longest river in Europe and the third longest river in Russia, with a length of 2, 428 kilometers. The Ural River is an important source of water for the region, providing irrigation and hydroelectric power. It is also a major transportation route, connecting the Caspian Sea with the Black Sea and the Baltic Sea.