The park is open during daylight hours every day.
The visitor center is open daily from 8:30 am to 5:00 pm. The visitor center is closed on Thanksgiving and December 25
The Washington-Dulles airport(IAD) is closest to the park. It is approximately 25 miles to the East-Northeast. Rental cars are available at the airport.
From Washington D.C.: Travel West on Interstate 66 to Exit 47B, State Route 234 North. Proceed through the first traffic light. The entrance to the Henry Hill Visitor Center is on the right past Northern Virginia Community College.
From Points South: Travel North on Interstate 95 to Exit 152, Route 234. Turn left at the traffic light on to Route 234 North. Stay on Business Route 234. Do not take the by-pass. The Henry Hill Visitor Center is located approximately 20 miles on the right, north of the City of Manassas.
From Points West: Travel East on Interstate 66 to Exit 47, State Route 234 North. Turn left on Route 234. Proceed through the first traffic light. The entrance to the Henry Hill Visitor Center is on the right past Northern Virginia Community College.
There is no public transportation to the park.