USFWS · National wildlife refuge · Wisconsin, Michigan

Green Bay National Wildlife Refuge

Green Bay National Wildlife Refuge is a National Wildlife Refuge of the United States located in the state of Wisconsin. It includes all or part of six islands in Lake Michigan: Hog Island, Plum Island, Pilot Island, part of St. Martin Island and Rocky Island. Additionally it includes part of Detroit Island. The islands are near Washington Island off the tip of the Door Peninsula of Wisconsin and the Garden Peninsula of Michigan.

From Wikipedia, licensed CC BY-SA 4.0.

Official page at U.S. Fish and Wildlife Service ↗
DesignationNational Wildlife Refuge
Managed byU.S. Fish and Wildlife Service
StatesWisconsin, Michigan
Size1,798 acres (computed from the boundary polygon)
FWS regionRegion 3
Center point45.4945, -86.7703
Night skyAbout as dark as the ground gets (Black Marble reading 6)

Boundary map

5 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.

Explore

Nearby on the other atlases

National Register listings within 15 miles · 20 in all · Register Atlas

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

Reference

Questions people ask

How big is Green Bay National Wildlife Refuge?

1,798 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 Green Bay National Wildlife Refuge?

The U.S. Fish and Wildlife Service.

Source: U.S. Fish and Wildlife Service

What state is Green Bay National Wildlife Refuge in?

The boundary crosses Wisconsin and Michigan.

Source: How states are assigned

How do I get to Green Bay National Wildlife Refuge?

A point inside the boundary is at 45.495, -86.770. The official page carries directions and the office address.

Source: U.S. Fish and Wildlife Service

How dark is the night sky at Green Bay National Wildlife Refuge?

NASA’s Black Marble night-lights image reads 6 on a 0 to 255 scale at the center point, about as dark as the ground gets.

Source: NASA Black Marble

Are there historic places near Green Bay National Wildlife Refuge?

20 National Register listings within 15 miles, including Pilot Island Light and Plum Island Range Rear Light.

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: Green Bay National Wildlife Refuge 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.