Silver Comet Mtb Side Trails features 9 miles of hiking trails near Hiram/dallas, GA.
Can pick up these trails anywhere along the south side of the Silver Comet from the Trestle all the way to the Hiram parking lot. (which is about 9 miles of singletrack one way).
http://www.tripleblaze.com/trail.php?c=3&i=497