Entry No. 13 — the Pittsburgh file — filed under: haunted
Dead Man's Hollow
This 450-acre nature preserve is reclaimed industrial land haunted by a dark history of tragic deaths, including a mysterious hanging in 1874, a fatal quarry explosion, and a deadly elevator accident. Hikers can explore the crumbling, vine-covered brick ruins of the Union Sewer Pipe factory that burned down in 1925.
The story
In 1874, locals found a body hanging in the ravine sitting along the Youghiogheny River, and the 450-acre tract south of McKeesport earned a name it never managed to shake. But the hollow earned its morbid reputation through more than just urban legends. As heavy industry moved into the gulch over the following decades, a string of fatal misfortunes followed—a quarry explosion that killed workers, a deadly elevator plunge, and workplace catastrophes that made the woods feel distinctly cursed.
The industrial era came to a sudden, fiery end in 1925 when the Union Sewer Pipe factory—the massive brick works operating deep in the hollow—burned to the ground and was abandoned. Rather than turning into a industrial wasteland, the forest swallowed the site back up. Today, the Allegheny Land Trust manages the land as a state-designated Wild Plant Sanctuary, where native greenery slowly smothers the crumbling brick structures, concrete archways, and rusted artifacts scattered across eight miles of trail.
What it's like
Park off Scene Ridge Road or trek in directly from the Great Allegheny Passage along the river. Hop onto the Witch Hazel Trail to hunt down the core ruins: vine-draped concrete walls, spray-painted foundations, and a massive stone drainage tunnel that looks built for a horror film. Slip into sturdy boots—the clay trails turn into a slick mud trap after rain. Show up on a quiet weekday afternoon and the hollow belongs entirely to you, the rustling canopy, and whatever residual bad luck hasn't aired out yet.
The move: Hike the Witch Hazel Trail to discover the eerie, graffiti-covered concrete ruins of the pipe factory, and keep an eye out for the giant stone drainage tunnel that feels straight out of a gothic thriller.
- 📍 McKeesport
- 💸 $$
- ⚡ Up for anything
- 🌗 Indoors
Where: Scene Ridge Rd, McKeesport, PA 15133
Hours: Added 2026-07-21 — confirm current hours before you go.
Pair it with
- The Carrie Deer — Keep the reclaimed industrial theme going by checking out this 40-foot deer head secretly built out of scrap materials on an abandoned mill site.
- Rivers of Steel (Carrie Blast Furnaces) — Trade the overgrown, fire-destroyed factory ruins of the hollow for towering, preserved blast furnaces that anchored the valley's industrial heyday.
- Trundle Manor — Match the hollow's morbid history with an indoor trip to a private gothic house packed with taxidermy, jarred specimens, and strange curiosities.
- The Living Dead Museum — Extend your spooky outing by heading north to explore props, memorabilia, and horror film history at this tribute to classic zombie lore.
Good to know
How did Dead Man's Hollow get its name?
The name stems from 1874, when a body was discovered hanging from a tree in the ravine, setting off a long history of local lore and subsequent industrial accidents.
What physical ruins can you see along the trails?
You'll encounter the vine-covered concrete and brick foundations of the Union Sewer Pipe factory that burned down in 1925, alongside graffiti-covered slabs and a giant stone drainage tunnel.
How do you access the preserve?
Main access points include the trailhead off Scene Ridge Road in McKeesport or directly via the Great Allegheny Passage (GAP) trail along the Youghiogheny River.
How long are the hikes in the hollow?
The 450-acre preserve contains roughly eight miles of interconnected hiking trails managed by the Allegheny Land Trust.
Plan a visit & invite your people →
Further reading: alleghenylandtrust.org · Wikipedia · discovertheburgh.com · mytrailsaremany.com · positivelypittsburgh.com
last checked: 2026-07-21