Poima

Poima

 

a river in Krasnoiarsk Krai and Irkutsk Oblast, RSFSR, a left tributary of the Biriusa (Enisei River basin). It measures 382 km long and drains an area of 8,640 sq km. The Poima originates in the northern spurs of the Vostochnyi Saian. It is fed primarily by snow. There is high water from April through June. The mean flow rate 205 km from the mouth is approximately 13 cu m per sec. The river freezes in the second half of October or early November, and the ice breaks up in late April or early May. Timber is floated on the Poima.