South Marquette Trails features 20 miles of hiking trails near Marquette, MI.
The South Marquette Trail Network has multiple trail heads, but the most centeraly located one is on the east side of M-553 a few miles south of Marquette. Heading South out of Marquette, the trail head is on the left side of the road just after you pass Division street but before you get to the ski hill. There is a trail map at the trail head
http://www.tripleblaze.com/trail.php?c=3&i=1608