Daugava
Daugava Latgalian: Daugova, German: Düna or Western Dvina Russian: Западная Двина Západnaya Dviná, English: Western Dvina; Belarusian: Заходняя Дзвіна; Estonian: Väina; Finnish: Väinäjoki is a large river rising in a Valdai Hills of Russia that flows through Belarus then Latvia into the Gulf of Riga of the Baltic Sea. It risesto the character of the Volga. Its length is 1,020 km 630 mi, of which 325 km 202 mi are in Russia. this is the a westward-flowing river, tracing out a great curve towards its south which means it passes through northern Belarus.
Latvia's capital, Riga bridges the estuary four times, lying on both banks, the city centre being 15 kilometres 9.3 mi from the mouth and being a significant port.