Illini State Park 
2660 East 2350th Rd.
Marseilles, IL 61341
815-795-2448
https://www.dnr.illinois.gov/Parks/Pages/Illini.aspx
State Park: Birding, Camp, Fish, Hike, Picnic, RV, Walk, Water Sports
The kind of park you think of when you think of big picnics and family gatherings. With its rustic Civilian Conservation Corps buildings and riverside picnic areas, Illini State Park offers beautiful views and a sense of history not found in many other parks.