Sol (river)
The Sol () is a river in Perm Krai and Komi Republic, Russia, a left tributary of the Chyornaya, which in turn is a tributary of the Veslyana. The river is  long. 
The source of the river is in the northeastern portion of the Koygorodsky District of the Komi Republic,  above sea level. Its mouth is west of the settlement of Chernorechensky,  above sea level.

References 

Rivers of Perm Krai
Rivers of the Komi Republic