The Uinta River (historically also spelled Uintah River) is a tributary of the Duchesne River flowing through Duchesne and Uintah County, Utah. Originating in the Uinta Mountains, the river flows southeast for about 60 miles (97 km) to join the Duchesne near Randlett. The Uinta is an important source of water for local irrigation. Its tributaries include the Whiterocks River, which joins it near Whiterocks, and the Dry Gulch Creek near Fort Duchesne.
The Whiterocks River is a river in Uintah County, Utah in the United States. It flows south for about 29 miles (47 km) from the Uinta Mountains to join the Uinta River, a tributary of the Duchesne River, near Whiterocks. (Source: Wikipedia)