Operating Hours & Seasons

Operating Hours

The Monument and Preserve is open every day of the year, 24 hours a day. Winter snows usually prevent automobile access around the Loop Road from mid-November through mid-March.

Visitor Center Hours

Open Year Round: 8 a.m. to 4:30 p.m. daily
(closed on federal holidays in winter)

Memorial Day through Labor Day: 8 a.m. to 6 p.m. daily


Every season has its own special qualities. Find out what the park is like at other times of the year.

Did You Know?