Posmak Explained

Posmak
Length:	29km (18miles)

The Posmak (Russian: Посьмак) is a river in Perm Krai, Russia, a left tributary of the Vels, which in turn is a tributary of the Vishera. The river is 29km (18miles) long.^[1]

Notes and References

1. Web site: Государственный водный реестр РФ: Посьмак.