Baikal–Amur Mainline
The Selemdzha has its source where three mountain ranges meet the Bureya Massif, the Dusse-Alin from the south, the Ezop Range from the west and the Jam-Alin from the north, and flows first northwest with the Selemdzha Range to the north, and then westwards across the Zeya-Bureya Plain. crossing the Baikal–Amur Mainline just west of Fevralsk and reaches the Zeya north of the Trans-Siberian Railway and Blagoveshchensk.