At this 14,300-acre area 50 miles south of
Burley, granite columns tower as much as 60 stories high. About half the area of the reserve is privately owned. It is renowned for its scenic, historic and geologic significance.
Many of the granite rock formations that are the outstanding features of the Reserve are over 2.5 billion years old, some of the oldest rocks found in North America. The rocks were shaped by weathering forces into the fantastic shapes you see now.
During the westward expansion, the City of Rocks was an important landmark along the California Trail. Many pioneers wrote their names in axle grease on the rocks adjacent to the trail.
The Reserve has about 100 primitive campsites.
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