Chain O'Lakes has four trail systems. The Nature's Way hiking trail starts at Oak Grove Picnic Area and is 2 ¼ miles in length. The Pike Marsh North Picnic Area has an accessible trail that is ¼ mile long. The park also contains an equestrian trail with three loops and a total length of 8 miles. Visitors can bring in their own horses for enjoyment on the trail. A parking lot for horse trailers with access to the equestrian trails is located near the park entrance. A biking/hiking trail, 6 miles in length, can be accessed at any picnic area between the concession stand and the park office. All trails can be used by cross-country skiers.
Chicago - North on I-94 to Rt. 173 exit; west Rt. 173 15 miles to Wilmot Rd; south 1 ½ miles to entrance; park entrance on east side.
http://www.tripleblaze.com/trail.php?c=3&i=3946