McConnells Mill State Park

The park features a deep scenic gorge with the restored watermill and a covered bridge at the bottom, accessible by a roadway that winds between large, room-sized boulders on the hillside.

The conservancy then transferred the land to the Commonwealth of Pennsylvania in 1957 when McConnells Mill State Park was formally dedicated.

[3] Whitewater boating is very popular on this part of Slippery Rock Creek and it is rated a Class II-III, on the International Scale of River Difficulty, depending on water conditions.

All boaters are required to wear life jackets that are approved by the United States Coast Guard.

The common game species are ruffed grouse, squirrels, turkey, white-tailed deer, and rabbits.

[3] The bedrock at McConnells Mill State Park was formed over 300,000,000 years ago as layers of peat, mud and sand were compressed.

The various erosion rates account for the variety of geologic features at McConnells Mill State Park.

The drastic change in direction and very high volume of water flow created Slippery Rock Creek Gorge.

McConnells Mill with the gristmill and Slippery Rock Creek in the background.
View of the covered bridge in McConnells Mill State Park from a walkway near the mill itself.
McConnells Mills Covered Bridge during the summer.
Hells Hollow Falls
A mixed forest around the park.
Fishing at the park
One of the many caves in the forest within the park.