Take the 495 beltway to Route 66 west. Pass the Manassas Sudley Rd. (Rt. 234) exit. Take the Route 234 Bypass south toward the Manassas Airport. Make a right at Balls Ford Road (the first traffic light) on to Devlin Road. Follow Devlin Road to the 2nd traffic light at Route 619, Litton Hall Road and make a left turn. At the next traffic light turn right on to Sudley Manor Drive (not on map). Go to the end of the road and turn left at Vint Hill Road. Make the next right at Kettle Run Road.