Plateau Valley (38.568865°N 111.847413°W / 38.568865; -111.847413) is a valley in Sevier County, Utah, roughly 15 miles southeast of Richfield. It is located immediately north of Grass Valley, and is bounded on the west by Mormon Mountain and on the east by Boobe Hole Mountain. Koosharem Reservoir is located in the southern part of the valley. SR-24 runs north-to-south through the valley.
Map of Plateau Valley, Utah 84701, USA
References
Plateau Valley (Utah) Wikipedia(Text) CC BY-SA