The 19th century gristmill is the centerpiece of McConnells Mill State Park.  The historic gristmill at McConnells Mill State Park is open mid-May through Labor Day, every Wednesday through Sunday (also open summer holidays) from 10:30 AM to 3:30 PM, admission is free. 

Interpretive tours of the historic mill, given by staff or volunteer docents, are scheduled at 1:00 and 2:00 PM.  After Labor Day, the mill will be open Thursdays – Sundays through October. Park at the Kildoo Picnic Area and hike down the stone stairs 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.