The Oquirrh Mountains /ˈoʊkər/ is a mountain range that runs north-south for approximately 30 miles (50 km) to form the west side of Utah's Salt Lake Valley, separating it from Tooele Valley. The range runs from northwestern Utah County–central & eastern Tooele County, to the south shore of the Great Salt Lake. The highest elevation is Flat Top Mountain (Utah) at 10,620 ft (3,237 m).