 The width of the Mulyanka is frequently changing and in some places reaches .Mulyanka is not included in the list of navigable rivers of Perm Krai, which consists of Kama, Vishera, Sylva, and Chusovaya.Unlike most rivers of Perm Krai, whose toponymy is considered to be Permic, the names of rivers of Upper Mulyanka and Lower Mulyanka came from the Persian word "mullah".