The annual Heritage Festival at McConnells Mill State Park will be from 10 a.m. to 6 p.m. Sept. 25 and from 11 a.m. to 5 p.m. Sept. 26.

The festival celebrates the operational era of the historic gristmill and will be located at the Kildoo Picnic Area and the historic gristmill.

For the safety of park visitors during the festival, portions of McConnells Mill Road and Kennedy Road will be temporarily closed to vehicles from Kildoo Picnic Area to the historic gristmill and from Rim Road to the Covered Bridge, during the hours of the festival.

DCNR park rangers and traffic control personnel will be on hand to assist with the transition. All other areas of the park will remain open during this event. Follow detour signs.