13220 Yates Ford Road, Clifton
703-993-4354 (George Mason University)
Access to the 17-mile Bull Run-Occoquan Trail
68 Element Outdoor Challenge Course including Zip Wire and TOTAL TEAM CHALLENGE TM
Four cabins with 96 beds
Open: Year round. Only trails may be used without prior arrangement.
Directions: To reach Hemlock Overlook, take I-66 to Route 123, drive south on 123 to Clifton Road, turn right on Clifton Road and drive 3.7 miles, turn left on Yates Ford Road and follow it to the park entrance.