City of Rocks National Reserve
Open every day, year round. All roads are unpaved. Some roads may be impassable from November through April. Call the City of Rocks Visitor Center at (208) 824-5901 for the latest road conditions. The visitor center for both the Reserve and State Park is located in the historic village of Almo. The center is open seven days a week from mid-April to mid-October, and Tuesday through Saturday during the winter months. There is no fee to enter the Reserve.
Castle Rocks State Park
Ranch Unit (geological area): Open every day, year round from 7 a.m. to 10 p.m., 24 hours for registered lodge and bunkhouse guests.
Last updated: August 7, 2019