McConnells Mill State Park 
Intersection of PA 19 & US 422
Portersville, PA 16051
724-368-8091
http://www.dcnr.state.pa.us/stateparks/findapark/mcconnellsmill/index.htm
State Park: Birding, Fish, Hike, Picnic, Walk, Water Sports
encompasses 2,546 acres of the spectacular Slippery Rock Creek Gorge. The park is open from sunrise to sunset, year-round.