City of Rocks National Reserve
Open Year-round, everyday. 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 Year-round, every day from 7 a.m. to 10 p.m., 24 hours for registered lodge and bunkhouse guests.
Last updated: May 29, 2019