Fees & Reservations
City of Rocks National Reserve
Entrance Fee: None!
Castle Rocks State Park
Entrance Fee: $5/vehicle, or Idaho Passport/Annual Pass
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Did You Know?
Beginning in 1843, City of Rocks was a landmark for emigrants on the California Trail. At the height of emigration, in 1852, some 52,000 people passed through City of Rocks on the way to California goldfields. Today, City of Rocks National Reserve protects over 6 miles of this historic trail.