The rusted river Sardabeh River originates from the mountain valley of the Kalm mountains, which is one of the central Alborz, and flows through the village of Rudbarak and forms the Akapel Falls. According to available bachelor reports, red mackerel, rainbow trout, hawthorn fish (Chickpea), fish sauce (broad-leaved) or black-scaled conifer (fish dogfish, fish bride or snake fish), including fish in the cold water of the river. It is also important for drinking, farming and aquaculture purposes. Finally, this river is thrown into the Caspian Sea.