Qarhsoo River, Esfarayen
This river flows in the valley of Esfarayen . It originates from south of Aladaq Mountains and to the north from Shah Jahan Mountain Ranges. After saturating the Jajrum plain, it flows from north to south and joins the Kalshoor River in the south of Sabzevar . Finally at the end of its course it enters the salt desert which seeps up its flow. This river too has its own special attractions.