Colvin Run Trail features 4 miles of hiking trails near Reston, VA.
Start in the Skate Nation parking lot (back left-hand corner) off of Michael Faraday Court in Reston. To get there take the Dulles Toll Road to exit for Whiele Avenue. Go North on Whiele and make a right onto Sunset Hills Road. Make the first left onto Michael Faraday Court. Trailhead is at the end of the street.
http://www.tripleblaze.com/trail.php?c=3&i=405