Marengo Ridge Conservation Area 
3100 N. Route 23
Marengo, IL 60152
815-338-6223
https://www.mccdistrict.org/visit___explore/places_to_go/find_a_site/marengo_ridge.php
Natural Area: Birding, Camp, Hike, Picnic, Walk
Up to 5 milies of hiking and ski trails pass through evergreen trees mixed with native hardwoods at this popular hiking, cross-country skiing and camping site. The Thomas Woods Campground areas provides for RV and tent camping. Group camp and picnic sites may also be reserved.