- river in NW Russia, flowing northwest into Dvina Bay near Arkhangelsk: 460 mi (740 km)often called Northern Dvina
- river in W Russia, flowing from the Valdai Hills northwest through Belarus & Latvia into the Gulf of Riga: 635 mi (1,022 km): Latvian name Daugavaoften called Western Dvina
- also Northern Dvina A river, about 750 km (465 mi) long, of northwest Russia flowing northwest into Dvina Bay, an arm of the White Sea.
- also Western Dvina A river, about 1,020 km (635 mi) long, rising in western Russia and flowing southwest and northwest through Belarus and Latvia to the Gulf of Riga.
- Dvina, Glossopteris, Noeggerathiopsis and other ferns characteristic of the Indian Gondwana beds have been found; and with these are numerous remains of reptiles similar to those which occur in the Indian deposits.
- A deep gulf of the Arctic Sea advanced up the valley of the Dvina; and the Caspian, connected by the Manych with the Black Sea, and by the Uzboy valley with Lake Aral, penetrated N.
- Dvina, the Dnieper, and even the Lovat and the Oka, take their rise (in the N.W.
- Dvina and Pechora.
- Dvina is formed by the union of the Yug and the Sukhona.