USFWS · National wildlife refuge · Alaska

Guam National Wildlife Refuge

The Guam National Wildlife Refuge is composed of three units: the Andersen Air Force Base Overlay Unit, the Navy Overlay Unit, and the Ritidian Unit. The Ritidian Unit is on the northernmost tip of Guam and encompasses approximately 1,217 acres, including 385 terrestrial acres and 832 acres of submerged areas offshore.

From Wikipedia, licensed CC BY-SA 4.0.

National Wildlife Refuge23,758 acresUSFWSAK
Official page at U.S. Fish and Wildlife Service ↗

Facts

Where each comes from ↓
DesignationNational Wildlife Refuge
Managed byU.S. Fish and Wildlife Service
StateAlaska
Size23,758 acres (computed from the boundary polygon)
FWS regionRegion 1
Center point13.6097, 144.8720
Night skySome glow on the horizon (Black Marble reading 63)

Boundary map

8 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 Park System units within 30 miles · Park Atlas
National Historical Park · Adjacent
War In The Pacific National Historical Park
National Register listings within 15 miles · 66 in all · Register Atlas

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

Reference

Questions people ask

How big is Guam National Wildlife Refuge?

23,758 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 Guam National Wildlife Refuge?

The U.S. Fish and Wildlife Service.

Source: U.S. Fish and Wildlife Service

What state is Guam National Wildlife Refuge in?

Alaska.

Source: How states are assigned

How do I get to Guam National Wildlife Refuge?

A point inside the boundary is at 13.610, 144.872. War In The Pacific National Historical Park is adjacent. The official page carries directions and the office address.

Source: U.S. Fish and Wildlife Service

How dark is the night sky at Guam National Wildlife Refuge?

NASA’s Black Marble night-lights image reads 63 on a 0 to 255 scale at the center point, some glow on the horizon.

Source: NASA Black Marble

Which national parks are near Guam National Wildlife Refuge?

War In The Pacific National Historical Park (adjacent). Park Atlas has fees, hours and alerts for each.

Source: Nearby on the other atlases

Are there historic places near Guam National Wildlife Refuge?

66 National Register listings within 15 miles, including Atantano Shrine and Cruz Water Catchment.

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: Guam 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.