Blue River Parkway has several miles of trails (12 miles) that run along both sides of the Blue River. The trails begin near Red Bridge Road on the north and extend south of Martin City to 139th Street. Trails are suitable for hiking, mountain biking and some equestrian use. See volunteer website below for more information on various trails and difficulty levels.
Jackson County MO
http://www.tripleblaze.com/trail.php?c=3&i=8362