Operating Hours & Seasons
City of Rocks National Reserve
Open Year-round, everyday. 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.
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.
The visitor center for City of Rocks National Reserve and Castle Rocks State Park is open daily, 7 days a week, 8:00 a.m. to 4:30 p.m., including holidays through October 18, 2014. From October 21, 2014 through April 13, 2015, the visitor center is open 8 a.m. to 4:30 p.m. Tuesday through Saturday (closed on Sunday, Monday and legal holidays).