The Douglas-Hart Foundation is a 501 (c) 3, non-profit organization, and receives no tax support. The Foundation manages two properties: The Douglas-Hart Nature Center and Friendship Garden.
The Douglas-Hart Nature Center is located at 2204 DeWitt Avenue East, the corner of Lerna Road and DeWitt Avenue. The Douglas-Hart Nature Center consists of 65 acres of native Illinois habitat including prairie, woodland, and wetland. The Nature Center includes a visitor center with several amenities. The center is open Monday - Friday 8am-4pm, Saturday 10am-4pm, and Sundays from 1-4pm (During winter months the Nature Center is closed on Sundays). Trails are open daily, sunrise to sunset.