Home PA Waterfalls Exploring Grindstone Falls at McConnells Mill State Park

Exploring Grindstone Falls at McConnells Mill State Park

Photographer standing beside Grindstone Falls capturing images of the waterfall along an unnamed tributary of Grindstone Run at McConnells Mill State Park in Lawrence County, Pennsylvania.

If you’re looking for directions to Grindstone Falls at McConnells Mill State Park, you’ve come to the right place!

Front view of Grindstone Falls spilling over a sandstone ledge beneath fallen trees along an unnamed tributary of Grindstone Run at McConnells Mill State Park in Lawrence County, Pennsylvania.

Unlike many of the parkโ€™s better-known waterfalls, Grindstone Falls doesnโ€™t appear on any official park maps, making it something of a hidden discovery for those willing to seek it out.

Grindstone Falls spilling over a rock ledge beneath fallen hemlock trees along an unnamed tributary of Grindstone Run at McConnells Mill State Park in Lawrence County, Pennsylvania.

But donโ€™t worryโ€”this scenic cascade is very real, and with a little guidance, itโ€™s surprisingly easy to find.


In the following paragraphs, Iโ€™ll show you exactly how to track down one of McConnells Millโ€™s most overlooked waterfalls.

Downstream view of Grindstone Falls with flowing creek and moss-covered rocks along an unnamed tributary of Grindstone Run at McConnells Mill State Park in Lawrence County, Pennsylvania.

Grindstone Falls FAQs

Where is Grindstone Falls located?

Grindstone Falls is located in the southeastern portion of McConnells Mill State Park (Lawrence County).Map showing the hiking route from the Mountville Road parking area past the cell phone tower to Grindstone Falls in McConnells Mill State Park, Lawrence County, Pennsylvania.

How tall is Grindstone Falls?

Approximately 8 feet tall.Fall foliage surrounding Grindstone Falls at McConnells Mill State Park

Can I navigate to Grindstone Falls using GPS?

Yes – the GPS coordinates for Grindstone Falls are 40.915499, -80.194653

Is the trail to Grindstone Falls blazed?

The trail is not blazed, but is well-worn and obvious. Despite not being on the “official” park map, people have been visiting Grindstone Falls for many, many years.


Hiking to Grindstone Falls

Time needed: 15 minutes

How to Find Grindstone Falls at McConnells Mill State Park

  1. Navigate to the intersection of Mountville Road and Nye Road, 3 miles west of Portersville.

    The parking area for visiting Grindstone Falls is located 400 feet east of the intersection of Mountville Road and Nye road at the following GPS coordinates: 40.911096, – 80.195421. A map showing the parking area and trail head for visiting Grindstone Falls at McConnells Mill State Park

  2. From the parking area along Mountville Road, walk 400 feet west along the lightly-traveled road to the crest of the hill and a road leading to a cell phone tower pad.

    The parking area to use when visiting Grindstone Falls at McConnells Mill State Park

  3. At the crest of the hill you will see this gated road leading to the cell phone tower. Walk around the gate and towards the tower. DO NOT park in front of or otherwise block the gate.

    The gated road leading to the cell phone tower and trail head for Grindstone Falls hike.

  4. Proceed to the back left corner of the gravel cell phone tower pad.

    The trail to Grindstone Falls begins here.The trail to Grindstone Falls begins at the back left corner of cell phone tower pad shown here.

  5. Hike 0.3 miles through open hardwoods along the unblazed but well-worn trail.

    The unblazed but well-worn trail to use when visiting Grindstone Falls.

  6. At 0.3 miles the trail bears rather sharply to the right and enters a hemlock grove.

    Hiking data from visiting Grindstone Falls.

  7. At 0.4 miles arrive at Grindstone Falls.

    Hiking at a comfortable pace and stopping to take a few cell phone shots along the way, I normally cover this distance in just under 15 minutes.
    A downstream view of Grindstone Falls.


Photographing Grindstone Falls

The author visiting Grindstone Falls.
The author visiting Grindstone Falls.

To get the best look at Grindstone Falls you’ll want to get down to stream level.

Front view of Grindstone Falls spilling over a sandstone ledge beneath fallen trees along an unnamed tributary of Grindstone Run at McConnells Mill State Park in Lawrence County, Pennsylvania.

There are several spots along the trail side of the stream where you can carefully descend the bank to Grindstone Run, or you can simply cross the shallow water above the falls and approach from the opposite side.

A side view of Grindstone Falls at McConnells Mill State Park.
A side view of Grindstone Falls at McConnells Mill State Park.

From the right side you can get a close look at the layers upon layers of rock that make up the stream bed.

A middle-of-the-stream view of Grindstone Falls.
A middle-of-the-stream view of Grindstone Falls.

I’d feel comfortable saying Grindstone Falls is a good 8 feet tall and 12 feet wide.

Grindstone Falls in Lawrence County, Pennsylvania.
Grindstone Falls in Lawrence County, Pennsylvania.

Downstream from Grindstone Falls are many picturesque cascades.

Cascading water flowing over layered rock downstream from Grindstone Falls along an unnamed tributary of Grindstone Run at McConnells Mill State Park in Lawrence County, Pennsylvania.
Grindstone Run at McConnells Mill State Park

As with any waterfall hike, use caution and tread carefully when hiking the Grindstone Run stream bed.

Tiered cascade downstream from Grindstone Falls flowing over layered sandstone along an unnamed tributary of Grindstone Run at McConnells Mill State Park in Lawrence County, Pennsylvania.
Cascades on Grindstone Run at McConnells Mill State Park

Once you’ve had your fill of Grindstone Falls and the downstream cascades, simply retrace your steps back up the hill from the falls to Mountville Road and your vehicle.

Small waterfall on an unnamed tributary of Grindstone Run at McConnells Mill State Park in Lawrence County, Pennsylvania.
Unnamed tributary of Grindstone Run, just below the main falls.

Still not convinced you need to visit Grindstone Falls?

Then check out this video!


Nearby Attractions

Exploring McConnellโ€™s Mill State Park in Lawrence Countyย showcases more remarkable sights and experiences near Grindstone Falls.

The author at Hell's Hollow Falls.
The author at Hell’s Hollow Falls at McConnells Mill State Park.

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Rusty Glessner
Rusty Glessner is a professional photographer, lifelong Pennsylvanian, and a frequently-cited authority on PA's best travel destinations.