The Boneyard is a 7 mile hiking trail in Eagle, Colorado.
From I-70 Eagle exit 147, follow first roundabout to right and make 1st left on Capitol St. 2 blocks then left on 3rd, go 1/2 mile and turn left on Mill Rd. (parking lot is on the left.
http://www.tripleblaze.com/trail.php?c=3&i=7927