John Heinz National Wildlife Refuge at Tinicum
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.
From Wikipedia, licensed CC BY-SA 4.0.

| Designation | National Wildlife Refuge |
| Managed by | U.S. Fish and Wildlife Service |
| State | Pennsylvania |
| Size | 998 acres |
| FWS region | Region 5 |
| Center point | 39.88° N, 75.27° W |
| Night sky | Bright skies nearby (Black Marble reading 240) |
Boundary map
Boundary, simplified to about 0.005 degrees
The outline is the agency boundary simplified for display, so small parcels and inholdings may not show. The agency page has the authoritative map.
Weather by month
Large units span more than one climate. The station stands in for the center point, and the outer parts of the boundary can be warmer or colder.
This unit has no confirmed official page or nearby campgrounds in the sources this site reads. The boundary, size, agency and location above come from the agency layer.
The sources are read again every Sunday.
Explore
Nearby on the other atlases
- 4.4 miRobeson, Paul, House ↗National Historic Landmark
- 4.9 miFurness Library ↗National Historic Landmark
- 5.6 miCollege of Physicians of Philadelphia Building ↗National Historic Landmark
- 5.7 miSt. Mark's Episcopal Church ↗National Historic Landmark
- 6.1 miMemorial Hall ↗National Historic Landmark
- 6.1 miPennsylvania Hospital ↗National Historic Landmark
- 6.2 miRace Street Friends Meetinghouse ↗National Historic Landmark
- 6.2 miPennsylvania Academy of the Fine Arts ↗National Historic Landmark
Landmarks are listed first, then by distance from the boundary.
Guidebooks for Pennsylvania
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Titles come from Open Library's catalog, matched by subject heading or by title.
Reference
Questions people ask
How big is John Heinz National Wildlife Refuge at Tinicum?
998 acres.
Source: How acreage is computed
Who manages John Heinz National Wildlife Refuge at Tinicum?
The U.S. Fish and Wildlife Service.
Source: U.S. Fish and Wildlife Service
What state is John Heinz National Wildlife Refuge at Tinicum in?
Pennsylvania.
Source: How states are assigned
How do I get to John Heinz National Wildlife Refuge at Tinicum?
A point inside the boundary is at 39.881° N, 75.274° W. Gloria Dei Church National Historic Site is 6 miles away. The official page carries directions and the office address.
Source: U.S. Fish and Wildlife Service
Which national parks are near John Heinz National Wildlife Refuge at Tinicum?
Gloria Dei Church National Historic Site (6 mi), Thaddeus Kosciuszko National Memorial (6 mi) and Independence National Historical Park (7 mi). Park Atlas has fees, hours and alerts for each.
Source: Nearby on the other atlases
Are there historic places near John Heinz National Wildlife Refuge at Tinicum?
The National Register has 736 listings within 15 miles, including Robeson, Paul, House and Furness Library.
Source: Register Atlas
Sources
- Boundary, name: the U.S. Fish and Wildlife Service refuge boundary layer.
- States and territories: computed by intersecting the boundary with Census state polygons and coarse outlines of the territories and outlying islands. A place is listed when it holds at least one percent of the area. A boundary that touches no outline is listed under the nearest one.
- Acreage: geodesic area of the published polygon. The agency’s official acreage can differ where the boundary includes water, easements or inholdings.
- Photograph: the image Wikidata records for this refuge (Q6238545), the item linked to its Wikipedia article. Author and license come from the file page on Wikimedia Commons.
- Description: John Heinz National Wildlife Refuge at Tinicum on Wikipedia, CC BY-SA 4.0. The article was accepted because its title contains this unit’s name.
- Campgrounds: the Campsite Atlas index of federal campgrounds, matched to this boundary at build time.
- Night sky: NASA Black Marble (VIIRS, 2016 composite) sampled at zoom 6 around the center point.
- Weather, alerts, air quality, river flow and earthquakes load live in your browser from NWS, AirNow, USGS and iNaturalist when you open the page.