In arid and semiarid regions. the water quality of some rivers decreases by salinization while passing through some geological formations. This study aims to find the source of the hydrochemical salinity of Namaklan River. Sampling was performed at 6 points along the Namaklan River for 4 seasons and also from before and after the confluence of Godarkhosh River with the Namaklan River. https://lecoureures.shop/product-category/ski-de-fond-accessoires-tuques/