USFWS · National wildlife refuge · California

Don Edwards San Francisco Bay National Wildlife Refuge

Don Edwards San Francisco Bay National Wildlife Refuge (DESFBNWR) is a United States National Wildlife Refuge located in the southern part of San Francisco Bay, California. Its headquarters and visitor center are in the Baylands district of Fremont, next to Coyote Hills Regional Park, in Alameda County. The visitor center is on Marshlands Rd, off Thornton Ave.

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
StateCalifornia
Size28,453 acres (computed from the boundary polygon)
FWS regionRegion 8
Center point37.5386, -122.1099
Night skySome glow on the horizon (Black Marble reading 68)

Boundary map

19 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.

Fire nearby

Within 50 miles · as of 2026-09-17
  • Prescribed
    Locatelli Rx

    28 mi from the center point

Distance is to the reported incident point, not the fire edge, and is measured from the center of a boundary that may be many miles across. Check the agency page for closures.

Explore

Nearby on the other atlases

National Register listings within 15 miles · 222 in all · Register Atlas

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

Reference

Questions people ask

How big is Don Edwards San Francisco Bay National Wildlife Refuge?

28,453 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 Don Edwards San Francisco Bay National Wildlife Refuge?

The U.S. Fish and Wildlife Service.

Source: U.S. Fish and Wildlife Service

What state is Don Edwards San Francisco Bay National Wildlife Refuge in?

California.

Source: How states are assigned

How do I get to Don Edwards San Francisco Bay National Wildlife Refuge?

A point inside the boundary is at 37.539, -122.110. Eugene O'Neill National Historic Site is 13 miles away. The official page carries directions and the office address.

Source: U.S. Fish and Wildlife Service

Is there a fire near Don Edwards San Francisco Bay National Wildlife Refuge right now?

1 active incident within 50 miles as of 2026-09-17, the nearest Locatelli Rx at 28 miles. Distance is to the reported incident point, not the fire edge.

Source: Fire nearby

How dark is the night sky at Don Edwards San Francisco Bay National Wildlife Refuge?

NASA’s Black Marble night-lights image reads 68 on a 0 to 255 scale at the center point, some glow on the horizon.

Source: NASA Black Marble

Which national parks are near Don Edwards San Francisco Bay National Wildlife Refuge?

Eugene O'Neill National Historic Site (13 mi), San Francisco Maritime National Historical Park (18 mi) and Alcatraz Island (19 mi). Park Atlas has fees, hours and alerts for each.

Source: Nearby on the other atlases

Are there historic places near Don Edwards San Francisco Bay National Wildlife Refuge?

222 National Register listings within 15 miles, including Dunsmuir House and Uss Hornet.

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: Don Edwards San Francisco 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.