Quantico Trail features 9 miles of hiking trails near Quantico, VA.
Take exit 150 East off I-95 and drive straight through the Marine Corps Base gate. Continue straight to Purvis Road. Turn right on Purvis road and drive to the Child Development Center (on left). Trail begins in the back left corner of the parking lot. ID required to drive on base.
http://www.tripleblaze.com/trail.php?c=3&i=519