John Heinz National Wildlife Refuge at Tinicum

John Heinz National Wildlife Refuge at Tinicum
IUCN category IV (habitat/species management area)
The centerpiece of John Heinz NWR is a large impoundment, containing wetland habitat with "islands" of vegetation
Map showing the location of John Heinz National Wildlife Refuge at Tinicum
Map showing the location of John Heinz National Wildlife Refuge at Tinicum
LocationDelaware County and Philadelphia County, Pennsylvania, U.S.
Nearest cityPhiladelphia, Pennsylvania, U.S.
Coordinates39°53′09″N 75°15′44″W / 39.885866°N 75.262356°W / 39.885866; -75.262356
Area1,200 acres (4.9 km2)
Established1972
Governing bodyU.S. Fish and Wildlife Service
WebsiteJohn Heinz National Wildlife Refuge at Tinicum
Designated1965

The John Heinz National Wildlife Refuge at Tinicum is a 1000-acre (4.05 km2) National Wildlife Refuge in Philadelphia and Tinicum Township, Pennsylvania. Adjacent to Philadelphia International Airport, the refuge protects the largest remaining freshwater tidal marsh in Pennsylvania. Established in 1972 as the Tinicum National Environmental Center, it was renamed in 1991 after the late H. John Heinz III, who helped preserve Tinicum Marsh.