From Reston or I66: Take the Fairfax County Parkway south to Route 123 south. The park will be the second entrance on the left after passing the traffic light at Burke Lake Road.
From I495: Take Braddock Road west to Burke Lake Road. Turn left onto Burke Lake Road and follow it past the Fairfax County Parkway. Turn left onto Route 123 at the traffic light after the lake on your left and turn left at the second entrance into the park.