The monument is open daily, except Christmas Day. Summer hours (May 26 through September 3): Visitor Center 8:00 a.m. - 7:00 p.m. The Dunes Drive may be entered from 7:00 a.m. to 9:00 p.m. No vehicles may enter the Dunes Drive after 9 p.m. All visitors must exit the park by 10 p.m. Winter hours: Visitor Center 8:00 a.m. - 5:00 p.m. The Dunes Drive may be entered from 7:00 a.m. to sunset. No vehicles may enter the Dunes Drive after sunset. All visitors must exit the park by one hour after sunset. Special Note: Due to missile testing on the adjacent White Sands Missile Range, it is occasionally necessary, for visitor safety,to close the Dunes Drive for periods of up to two hours. U.S. Highway 70/82 between Alamogordo and Las Cruces is also closed during times of missile testing. Visitors on a tight schedule are encouraged to call the day prior to arrival for information on closures. |