Tags: Mountain Range.
The Long Valley of Utah is a 13-mile (21 km) long valley located in western Kane County. The valley is located in source water regions of waters flowing north south and southwest in the west of the High Plateaus section of the Colorado Plateau; the High Plateaus section also extends into northern Arizona the region north of the Grand Canyon.Long Valley is on the east border of Kolob Terrace; the forested Markagunt and Paunsaugunt Plateaus border northwest and northeast.