Даугава is a major river in Latvia and Belarus, flowing approximately 1,020 kilometers. It originates in the Valdai Hills of Russia and travels through several countries before emptying into the Gulf of Riga in the Baltic Sea. The river is an important waterway for transportation and trade, as well as a source of hydroelectric power. The Daugava basin supports diverse ecosystems and is home to various species of fish and wildlife. It also plays a significant role in the cultural and historical development of the region, with cities like Riga and Daugavpils situated along its banks.