The 19th century gristmill, the centerpiece of McConnells Mill State Park is open every Thursday through Sunday from 10:30 AM to 3:30 PM through October 29, 2023. Admission is free. Interpretive tours of the historic mill, given by park staff or volunteer docents, are scheduled at 1:00 and 2:00 PM daily, or by request. Park at the Kildoo Picnic Area and hike down to the mill. Limited parking, for people with disabilities, may be available beside the mill. Interpretive tours for groups may be scheduled by calling the Moraine Park office 724 368-8811