Hiking in Pennsylvania: Rocks, Gorges, and 12,000 Miles of Trail
Pennsylvania rarely makes national best-hiking lists, and Pennsylvania hikers are fine with that. The state holds roughly 12,000 miles of trail, 124 state parks with free admission, 2.2 million acres of state forest, and terrain that runs from Lake Erie shoreline to the famously rocky spine of the Appalachians. Here's the state by region, for locals and visitors alike.
Southwest: the Laurel Highlands
An hour-plus from Pittsburgh, the Laurel Highlands are western PA's hiking heart. Ohiopyle State Park anchors it: the Ferncliff Peninsula loop, Cucumber Falls, and Meadow Run's natural waterslides, with the Youghiogheny's whitewater as soundtrack. The Laurel Highlands Hiking Trail runs 70 miles from Ohiopyle to near Johnstown with mile markers the whole way and shelters that make it PA's best backpacking shakedown for aspiring long-trail hikers (thru-hiking 101). Closer to Pittsburgh, McConnells Mill State Park's gorge along Slippery Rock Creek — covered bridge, mill, boulder-lined trails — is the region's best short outing, and a fine first hike (beginner trail criteria).
North central: the PA Wilds
The emptiest, wildest quarter of the state. Pine Creek Gorge — the "PA Grand Canyon" — offers rim overlooks at Leonard Harrison and Colton Point state parks and the flat 62-mile rail trail along the creek below. The Black Forest Trail (42 miles) and West Rim Trail (30 miles) are the state's marquee rugged backpacking loops; Cherry Springs State Park adds internationally certified dark skies, making an overnight here a two-spectacle trip. Elk herds roam near Benezette — autumn bugling season is worth the drive alone.
East: the rocky reputation, earned
Pennsylvania's ~230 Appalachian Trail miles carry the trail's most infamous nickname — "Rocksylvania" — for ridge-top miles of ankle-testing stone. Day hikers get the best of it without the grind: The Pinnacle loop near Hamburg is widely called the finest view on PA's AT section, and Lehigh Gap's rocky scramble ranks among the state's most dramatic (AT day-hike guide). Beyond the AT: Ricketts Glen State Park's Falls Trail passes over 20 named waterfalls in 7 miles — PA's single most spectacular day hike, and genuinely hazardous in ice without traction (winter gear) — while Glen Onoko and the Lehigh Gorge round out the waterfall circuit.
Planning notes for PA hiking
- Footing is the challenge, not altitude: the state tops out at 3,213 ft (Mount Davis), but rocks, roots, and short steep grades slow real-world pace — pad the calculator's estimate on rocky ridges, per the terrain corrections.
- Seasons: October foliage is the headline event; June brings mountain laurel (the state flower) to the ridges; summer means humidity and healthy tick populations — permethrin and full-body checks apply (wildlife safety).
- Hunting seasons are real: blaze orange is strongly advised on state game lands and state forests in fall, and many hikers simply favor state parks (no hunting near facilities) during rifle deer season.
Frequently Asked Questions
What is the best hike in Pennsylvania?
Ricketts Glen's Falls Trail is the most common single answer — over 20 named waterfalls in one loop. The Pinnacle (best AT view in the state), Pine Creek Gorge's rim trails, and Ohiopyle's Ferncliff loop round out most shortlists.
Why is the Appalachian Trail so rocky in Pennsylvania?
The trail follows ridgelines of erosion-resistant sandstone and quartzite; freeze-thaw cycles since the last ice age shattered the exposed rock into the boulder fields and rubble the ridge-tops are notorious for. The rocks are geology, not poor maintenance — and sturdy footwear plus patient pacing are the answer.