National Park System units in Pennsylvania
Pennsylvania has 21 National Park System units. The list below also includes 6 places the Park Service does not count as units of their own. Each one has its own page here with hours, current alerts, campgrounds and what there is to do.
Pennsylvania in figures
- National Park System units
- 21
- Free to enter
- 21
- Recreation visits in 2025
- 16,209,866
- Busiest unit, 6,215,118 visits
- Appalachian National Scenic Trail
- Campgrounds
- 6
A unit that reaches into another state counts in full here and in each other state it touches.
The visit total leaves out 4 units that report no 2025 count.
Free to enter Charges an entrance feePoints are the Park Service reference point for each unit, not a boundary.
Parks near a city
Visits by year
Appalachian National Scenic TrailDelaware Water Gap National Recreation AreaIndependence National Historical ParkValley Forge National Historical ParkGettysburg National Military ParkUpper Delaware Scenic & Recreational RiverFlight 93 National MemorialFort Necessity National BattlefieldFirst State National Historical ParkAllegheny Portage Railroad National Historic SiteEisenhower National Historic SiteJohnstown Flood National MemorialSteamtown National Historic SiteHopewell Furnace National Historic SiteFriendship Hill National Historic SiteThaddeus Kosciuszko National MemorialEdgar Allan Poe National Historic Site
Fees, hours, alerts, campgrounds and activities are from the NPS API. Data refreshed October 14, 2026.