Mehrian has a clear and beautiful river. This river eventually joins the Beshar River to enter Khuzestan province as one of the tributaries of the Karun River.
Do-Polan is a village in Ardal city in Chaharmahal and Bakhtiari province. The name of this village is derived from two old bridges on the river close to the village.
Maroon is one of the beautiful rivers of "Kohgiluyeh and Boyer-Ahmad" province, which originates from a large catchment area in the north of this province.