Visiting | Allerton Park and Retreat Center | IllinoisVisiting Admission. There is no admission fee to the park. However, donations are encouraged to help keep Allerton the free public resource it has been since 1946.
Allerton, Illinois • Home TownAllerton, Illinois is situated on the Champaign and Vermilion county line in east central Illinois. In fact, all but one row of houses in the town are ...