[<< wikipedia] Severomuysky Range
The Severomuysky Range (Russian: Се́веро-Му́йский хребе́т, romanized: Severo-Muyskiy khrebet, lit. 'Northern Muya Range') is a mountain range in Buryatia, Russia, part of the Stanovoy Highlands.  It separates the basins of the Upper Angara and Muya Rivers.
The Baikal Amur Mainline (BAM) railway traverses the southern end of the mountain range via the Severomuysky Tunnel.