Fee: No entrance fee. Fees apply for camping, cabins, pavilions and some programs. Reservations: Pennsylvania DCNR online or by phone.
About this park
McConnells Mill State Park in Lawrence County encompasses 2,546 acres of the spectacular Slippery Rock Creek Gorge, a National Natural Landmark. Created by the draining of glacial lakes thousands of years ago, the gorge has steep sides and a valley floor littered with huge boulders. Scenic overlooks and waterfalls are popular, and visitors can tour a historic gristmill and covered bridge.
McConnells Mill State Park FAQ
Where is McConnells Mill State Park located?
McConnells Mill State Park is in Portersville, Pennsylvania, at McConnells Mill Road. GPS coordinates: 40.9505, -80.183. Get directions.
Is there an entrance fee at McConnells Mill State Park?
No entrance fee. Fees apply for camping, cabins, pavilions and some programs. Reservations: Pennsylvania DCNR online or by phone. Fees can change by season, so confirm with the park before you go.
How do I contact McConnells Mill State Park?
You can call (724) 368-8811. The park office can confirm RV site availability, hookups, length limits and current conditions.
Are there RV campgrounds near McConnells Mill State Park?
Yes. The closest RV-friendly campgrounds listed on ParkedRV are:
- Shenango Rec Area Campground (26.9 mi, reservable)
- Mill Creek Camping (Berlin Lake) (42.7 mi, reservable)
- Overlook Recreation Area (52.2 mi, reservable)
How current is this information about McConnells Mill State Park?
This listing was last updated on October 8, 2026. If something is out of date, let us know and we'll fix it.