Deyma
Kaliningrad Oblast, Russia
The Deyma (Deime, Lithuanian: Deimena) is a river in Russia's Kaliningrad Oblast. It separates from the Pregolya at Gvardeysk, flows through Polessk, and ends at the Curonian Lagoon. The Polessk Canal connects the Deima with the Nemunas.
Canal data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).