Bolshaia Erema

(also Bol’shaia Erma), a river in Irkutsk Oblast, RSFSR, having its sources in Krasnoiarsk Krai; a left tributary of the Nizhniaia Tunguska. The Bol’shaia Erema is 411 km long and drains a basin of 13,500 sq km. It rises from swamps and flows through a deep valley in the Central Siberian Plateau. It is fed by snow and rain.