Daugava basin

The Daugava ( ), also known as the Western Dvina or the Väina River, is a large river rising in the Valdai Hills of Russia that flows through Belarus and Latvia into the Gulf of Riga of the Baltic Sea. The Daugava rises close to the source of the Volga. It is in length, of which are in Latvia and in Russia. It is a westward-flowing river, tracing out a great south-bending curve as it passes through northern Belarus.

Drūkšiai (), also called Drysviaty or Drysvyaty, or Drisvyaty (, ; ) is the largest of the Braslau lakes located partly in the northeastern part of Lithuania and partly in the Vitebsk Voblast, in Belarus. The lake water was used to cool the reactors of Lithuania's now decommissioned Ignalina Nuclear Power Plant.

lake in Barkava Parish, Madona Municipality, Latvia

lake in Russia

lake in Pskov Oblast, Russia

lake in Russia