To get to the backcountry area:
From the park entrance, follow Rt. 619 or Joplin Road for around 2 mi north past the American Legion sign. Almost immediately after you pass mile marker 22, the entrance to the backcountry area is the first left at the top of a slight hill. It is a gated small gravel parking area with a pit toilet. The gate is not locked; please shut it behind you. Do not follow GPS applications to Chopawamsic Backcountry Area as they will sometimes take you onto military roads that are not public access.
To get to the main park entrance:
From Washington, D.C., and points north, take I-95 south to exit 150-B toward VA Route 619/Joplin Road. The park entrance is the second right, continue up the road 2 mi to the gravel parking area for the Chopawamsic Backcountry Area on the left near mile marker 22.
From Fredericksburg, Virginia, and points south, take I-95 north to exit 150 toward VA Route 619/Joplin Road. Turn left at the bottom of the exit ramp and continue on VA Route 619 West approximately 1/4 mi to the park entrance.
Washington Dulles International Airport and Ronald Reagan Washington National Airport are approximately 45 minutes drive-time from Prince William Forest Park. Baltimore/Washington International Airport and Richmond International Airport are 90 minutes away.
There is no bus service near the park. Local commuter buses may be available near the park via the PRTC system. Amtrak and Virginia Railway Express services are available in nearby Quantico, Virginia, approximately 5 mi from the park entrance. There is no public transportation directly to the park.