Owassippi features 30 miles of hiking trails near Muskegon, MI.
Take 31 North to the Russell Rd Exit. Turn right and keep going until you come to the Owassippi Boy Scout Camp. On right side of road you will see administrative buildings. Park in lot and go to the billboard sign to get your permit for the day ($5) and to sign in.
http://www.tripleblaze.com/trail.php?c=3&i=2533