Park grounds are open dawn to dusk.
Hours change seasonally for the visitor center and gift shop.
The Visitor Center is open Monday - Friday from 9 to 5 p.m. (closed on Tuesdays) and weekends from noon to 5 p.m.
Visitor Center restrooms are closed when the center is closed. There are portable toilets at the Lockheed parking lot near the Visitor Center.
Grounds are open March-November, dawn to dusk.
Historic Huntley is closed December, January and February.
Buildings are open during Saturday tours, April-October.
Tours are at 10:30 a.m. and noon.
Saturday tours begin the last weekend in April and continue through the end of October.
Buildings also open for scheduled programs, open houses, and special events.
For further information about parks and permits, call 703-324-8516.
12000 Government Center Pkwy
Fairfax, VA 22035