Hours of Operation
Great House tours
Are on the hour: please plan to arrive at the Visitor Center 15 minutes before tour time. Tours are approximately 45 minutes in length.
Is open from 11:00 a.m. to 4 p.m. daily.
Is open for lunch every day from 11:00 a.m. to 3 p.m.
Jessie Ball DuPont Memorial Library
Is open to researchers (by appointment only) on weekdays from 9:00 a.m. to 5 :00 p.m.
The Beach & Overlook
The road to the beach and Potomac overlook is open daily from 9:30 a.m. to 4 p.m. Please call ahead if there has been recent inclement weather, as this can cause the road to be closed from the overlook to the beach.
All of the six nature trails are open during normal visitor hours.
The Gristmill is currently undergoing repair and non-operational. When repairs are completed, the mill will resume operating on the second Saturday in the month from 12 p.m. to 3 p.m., April to October.