National Reserve:
Year-round use. 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.
City of Rocks Visitor Center:
From October 17, 2011 through April 14, 2012, the visitor center is open weekdays, 8:00 a.m. to 4:30 p.m., and is closed on weekends and holidays.
Beginning April 15, 2012 , the Visitor Center will be open daily, 7 days a week, 8:00 a.m. to 4:30 p.m., including holidays.