10/21/2026
Towering granite spires, ancient landscapes, and centuries of history make City of Rocks National Reserve one of Idaho’s most remarkable historic places.
Located in southern Idaho near Almo, City of Rocks has been an important cultural landscape for thousands of years. Long before westward migration, the Shoshone and Bannock peoples traveled through the area, gathering resources and maintaining connections to the land that continue today.
During the 1800s, City of Rocks became a major landmark along the California Trail. Between 1843 and 1882, nearly 250,000 emigrants passed through the area on their journey west. Travelers rested among the tall granite formations, recorded their experiences in journals, and sometimes left their names written in axle grease on the rocks. Many of those signatures, along with wagon ruts carved into the landscape, remain visible today.
Designated a National Historic Landmark in 1964 and a National Reserve in 1988, City of Rocks preserves an important chapter of Idaho's history and the broader story of westward migration.
Today, visitors can explore the same dramatic landscape that has drawn people to this corner of Idaho for generations.
Learn more: https://www.nps.gov/ciro.
Photos: P1972-201-70A City Of Rocks, P1972-201-70D City Of Rocks, P1972-201-70E City Of Rocks, P1972-201-70G City Of Rocks, Idaho State Archives