Indy features 8 miles of hiking trails near North Pekin, IL.
I-474 (South) of Peoria, IL; Exit 9. Head South on Hwy. 29; First turn east (LaSalle Blvd) is within 1/2 mile of 474. Trailhead is immediately on left within first 75 feet of LaSalle Blvd. (Someone out there must have more detailed directions.)
http://www.tripleblaze.com/trail.php?c=3&i=1534