THOMPSON'S WILDLIFE MANAGEMENT AREA
Rt 17 out of Warrenton to I-66 (Marshall, Left on to I-66)
After approx 15 miles, exit at Markham Rt 688 I-66 West from D.C. to the Markham exit.
To get to the Parking Areas on top of the mountain, go S (left ) on Rt 688 to Rt 55.
Go W (right ) on Rt 55 to Linden, VA. Go N (right ) on Rt 638
To get to the Parking Areas at the bottom of the mountain, at the Markham exit
Go N (right) on Rt 688.