350-acre refuge along the Fox River. Home to nesting eagles, herons, owls, bitterns, teal, coot, ducks, mergansers and song birds. Nature center with 300 trophy mounts from North America, Africa and Asia as well as several live critters. Offering many miles of trails, which can be used for hiking, cross-country skiing and snowshoeing. Year-round educational programs teach children and adults the importance of the inter-relationships between them and the environment. Free admission.