16 mile hiking trail located near Lawton/Medicine Park, Oklahoma
There are several locations to access the trails as shown on the map, but main trailhead is located at the end of a short, dead-end gravel road that intersects with HY-49 just as you enter the Wichita Mountains Wildlife Refuge from Medicine Park, OK.
http://www.tripleblaze.com/trail.php?c=3&i=8773