USFWS · Pennsylvania

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.

National Wildlife Refuge998 acresUSFWSPA
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Facts

Where each comes from ↓
DesignationNational Wildlife Refuge
Managed byU.S. Fish and Wildlife Service
StatePennsylvania
Size998 acres (computed from the boundary polygon)
FWS regionRegion 5
Center point39.8809, -75.2738
Night skyBright skies nearby (Black Marble reading 240)

Boundary map

7 outlines

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

NOAA climate normals →
Weather by month near John Heinz National Wildlife Refuge at Tinicum30°40°50°60°70°80°January: 3.13 inches of precipitation, 7.1 inches of snowFebruary: 2.75 inches of precipitation, 8.4 inches of snowMarch: 3.96 inches of precipitation, 3.6 inches of snowApril: 3.47 inches of precipitation, 0.3 inches of snowMay: 3.34 inches of precipitation, 0.0 inches of snowJune: 4.04 inches of precipitation, 0.0 inches of snowJuly: 4.38 inches of precipitation, 0.0 inches of snowAugust: 4.29 inches of precipitation, 0.0 inches of snowSeptember: 4.40 inches of precipitation, 0.0 inches of snowOctober: 3.47 inches of precipitation, 0.0 inches of snowNovember: 2.91 inches of precipitation, 0.2 inches of snowDecember: 3.97 inches of precipitation, 3.5 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 33.7°F averageFebruary: 35.9°F averageMarch: 43.6°F averageApril: 54.5°F averageMay: 64.3°F averageJune: 73.5°F averageJuly: 78.7°F averageAugust: 76.8°F averageSeptember: 69.9°F averageOctober: 58.2°F averageNovember: 47.4°F averageDecember: 38.6°F average0 in2 in4 in6 in8 in10 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Philadelphia Intl AP, 2 miles from the center point at 10 feet, station USW00013739 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 44 inches a year. The dotted line is average snowfall, about 23 inches a year on the same inches scale.

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.

Limited data for this unit

This unit has no confirmed official page or nearby campgrounds in the sources this site reads. The boundary, size, agency and states above come from the agency layer.

Checked nightly. Sections appear when the sources fill in.

Explore

Nearby on the other atlases

National Park System units within 30 miles · Park Atlas
National Historic Site · 6 mi
Gloria Dei Church National Historic Site
National Memorial · 6 mi
Thaddeus Kosciuszko National Memorial
National Historical Park · 7 mi
Independence National Historical Park
National Historic Site · 7 mi
Edgar Allan Poe National Historic Site
National Historical Park · 14 mi
First State National Historical Park
National Historical Park · 17 mi
Valley Forge National Historical Park
National Register listings within 15 miles · 715 in all · Register Atlas

Landmarks are listed first, then by distance from the boundary.

Reference

Questions people ask

How big is John Heinz National Wildlife Refuge at Tinicum?

998 acres, measured from the published boundary polygon. The agency’s own figure can differ where the boundary includes water or inholdings.

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, -75.274. 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

How dark is the night sky at John Heinz National Wildlife Refuge at Tinicum?

NASA’s Black Marble night-lights image reads 240 on a 0 to 255 scale at the center point, bright skies nearby.

Source: NASA Black Marble

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?

715 National Register 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: computed by intersecting the boundary with Census state polygons; a state is listed when it holds at least one percent of the area.
  • Acreage: geodesic area of the published polygon. The agency’s official acreage can differ where the boundary includes water, easements or inholdings.
  • 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.