Selemdzha River

Selemdzha River (Russian: Селемджа) is a river in the Amur Region of Russia. It is the biggest tributary of the Zeya River. The length of the river is 647 km. The area of its basin 68,600 km². Its main tributaries are the Ulma and Nora. The Selemdzha River freezes up in early November and stays under the ice until early May. It begins not far from Uda Gulf on the Pacific and flows southwest, crossing the Baikal Amur Mainline just west of Fevralsk and reaches the Zeya north of the Trans-Siberian Railway and Blagoveshchensk.

Coordinates: 51°43′58″N 128°51′53″E / 51.7328°N 128.8647°E