Exploring Linn Run State Park in Westmoreland County

Linn Run State Park office.

Linn Run State Park is a 612 acre park in Westmoreland County, popular with hikers, campers, and picnickers.

View from the top of Adams Falls during the spring thaw at Linn Run State Park.
View from the top of Adam Falls at Linn Run State Park.

The park borders the Forbes State Forest, which offers an additional 50,000 acres of land for outdoor recreation.

Fall foliage around Beam Rocks in the Laurel Highlands of Pennsylvania.
Fall foliage around Beam Rocks in the Forbes State Forest.

Adam Falls at Linn Run State Park

One of the most popular attractions at Linn Run State Park is Adam Falls, a 15 foot waterfall best seen after heavy rains or the spring thaw.

Looking down on Adams Falls at Linn Run State Park after heavy spring rains.
Looking down on Adam Falls after heavy spring rains.

Adam Falls is located just a short distance from the Adam Falls Picnic Area, off of Linn Run Road (the main road that runs the length of the park).

A map of Linn Run State Park in Westmoreland County Pennsylvania
A map of Linn Run State Park in Westmoreland County, Pennsylvania.

One of the unique features of Adam Falls is the cavernous space behind it, making it one of the few Pennsylvania waterfalls you can stand behind.

Adams Falls in Westmoreland County Pennsylvania
Cavernous space behind Adam Falls.

The Abandoned McGinnis Rod and Gun Club

In the early 1920s the State of Pennsylvania was actively encouraging city dwellers to build “weekend retreats” in the country, offering $2/year leases on quarter-acre lots of state forest land.

The front entrance to the former McGinnis Rod and Gun Club on Linn Run.
Remains of the McGinnis Rod and Gun Club at Linn Run State Park.

The McGinnis Rod and Gun Club, built in 1922, was one such retreat.

Images of the McGinnis Road and Gun Club in 1922.
Images of the McGinnis Road and Gun Club, founded in 1922.

The McGinnis Rod and Gun Club existed for roughly 20 years before the building was consumed by fire, leaving only the stone walls and fireplace you see today.

The beautiful stone ruins of the former McGinnis Road and Gun Club in Westmoreland County, PA.
The beautiful stone ruins of the former McGinnis Rod and Gun Club in Westmoreland County.

You’ll find this abandoned hunting lodge along the Flat Rock Trail, which would have been the original road leading to the McGinnis Rod and Gun Club in 1922.

The blue-blazed Flat Rock Trail at Linn Run State Park.
The blue-blazed Flat Rock Trail.

Hiking at Linn Run State Park

There are 6.25 miles of hiking trails at Linn Run State Park, but many of the trails connect to others in the Forbes State Forest, for much longer hiking options.

Trail leading to to Fish Run Falls in the Forbes State Forest.
Fish Run Trail in the Forbes State Forest, near Linn Run State Park.

Adam Falls Trail

As mentioned earlier, the Adam Falls Trail leads from the Adam Falls Picnic area to and then a bit past Adam Falls.

Adams Falls Trailhead at Linn Run State Park.
Adam Falls Trailhead.

This is a one-mile loop trail and a great little hike any time of year.

Side view of Adams Falls at Linn Run State Park in the Laurel Highlands.
Scene from the Adam Falls Trail.

Flat Rock Trail

The Flat Rock Trail is a half-mile (one way) out and back hike that runs parallel to Linn Run and passes the abandoned McGinnis Rod and Gun Club mentioned earlier.

Flat Rock Trail leading to the abandoned hunting lodge at Linn Run State Park.
Flat Rock Trailhead.

You’ll find the trailhead next to the turn-off for the Adam Falls Picnic Area, along Linn Run Road.

Map to the abandoned hunting lodge at Linn Run State Park.
Map to Flat Rock Trail.

Iscrupe Trail

The Iscrupe Trail is a 0.75 mile (one way) out and back hike that follows the original route of Linn Run Road.

Iscrupe Trail at Linn Run State Park in Westmoreland County, PA.
Iscrupe Trail.

Grove Run Trail

Grove Run Trail is a 4 mile loop hike that starts with a gentle slope behind the Grove Run Picnic Area and becomes progressively steeper as it follows follows Grove Run upslope.

Grove Run Trail at Linn Run State Park.
Grove Run Trailhead.

Picnicking at Linn Run State Park

There are two main picnicking areas at Linn Run State Park.

Grove Run Picnic Area along Linn Run Road at Linn Run State Park.
Grove Run Picnic Area along Linn Run Road.

Both the Adam Falls and Grove Run picnic areas have picnic tables, playgrounds, and restrooms.

Playground at Grove Run Picnic Area at Linn Run State Park.
Playground at Grove Run Picnic Area.

Grove Run Picnic Area also features continuously flowing springwater.

The spring at Grove Rn Picnic Area at Linn Run State Park.
The spring at Grove Run Picnic Area.

Cabins at Linn Run State Park

There are ten rental cabins at Linn Run State Park, nine rustic (no indoor plumbing) and one modern.

Rental cabin at Linn Run State Park.
Rental cabin at Linn Run State Park.

Railroad History at Linn Run State Park

The Pittsburgh, Westmoreland, and Somerset Railroad line once ran right through the heart of present day Linn Run State Park.

Historical photos at the PW&S display at Linn Run State Park.
Historical photos at the PW&S display at the park.

Today you’ll find remnants of the track along Linn Run Road, not far from the park office.

Pittsburgh, Westmoreland, and Somerset Railroad display at Linn Run State Park.
Remnants of the Pittsburgh, Westmoreland, and Somerset Railroad line.

How to Find Linn Run State Park

The Linn Run State Park office is located at 770 Linn Run Road, Rector, PA 15677.

Linn Run State Park sign along Linn Run Road.
Park sign along Linn Run Road.

If navigating by GPS, use coordinates 40.15428, -79.21330 to reach the park office.

Bridge along the Adams Falls Trail at Linn Run State Park.
Bridge along the Adam Falls Trail.

Nearby Attractions

Fish Run Falls in the Forbes State Forest may be the prettiest little waterfall in Westmoreland County that you’ve never heard of!

Fish Run Falls in the Forbes State Forest.
Fish Run Falls in the Forbes State Forest.

Not only is the waterfall beautiful, but it’s located next to a historic railroad aqueduct built more than 120 years ago!

Stone viaduct built by the Pittsburgh, Westmoreland, and Somerset Railroad around 1899.
Stone viaduct on Fish Run built by the Pittsburgh, Westmoreland, and Somerset Railroad around 1899.

Wolf Rocks Overlook in the Forbes State Forest is an outstanding scenic vista overlooking Linn Run State Park.

Looking in the direction of Donegal on an October morning at Wolf Rocks Overlook.
Looking in the direction of Linn Run State Park on an October morning at Wolf Rocks Overlook.

Beam Rocks Overlook in the Forbes State Forest offers a fantastic 180° eastern view from high above the treetops and the Laurel Highlands Hiking Trail below.

Summer blooms at Beam Rocks Overlook in the Forbes State Forest.
Summer blooms at Beam Rocks Overlook in the Forbes State Forest.

Spruce Flats Bog is one of the most unique ecosystems in all of Pennsylvania – a high altitude bog featuring plants and trees found nowhere else in the state.

How to find Spruce Flats Bog in the Laurel Highlands region of Pennsylvania.
Spruce Flats Bog in the Forbes State Forest.

Mill Creek Falls is a picturesque, cascading waterfall on an idyllic mountain stream in Westmoreland County.

Fall foliage around Mill Creek Falls in Westmoreland County PA.
Fall foliage around Mill Creek Falls in Westmoreland County.

Fort Ligonier in Westmoreland County is a historically accurate reproduction of a British fort originally constructed in 1758 during what would become known as the French and Indian War.

Entering Fort Ligonier.
Entering Fort Ligonier.

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Rusty Glessner is a professional photographer, lifelong Pennsylvanian, and creator of the PA Bucket List travel blog.

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