San Bernardino National Wildlife Refuge
The San Bernardino National Wildlife Refuge is located on the U.S.-Mexico border in Cochise County, Arizona. Situated at 3,720 to 3,920 feet (1,130–1,190 m) elevation in the bottom of a wide valley, the refuge encompasses a portion of the headwaters of the Yaqui River, which drains primarily western Chihuahua and eastern Sonora, Mexico. The 2,309-acre (9.34 km2) ranch was acquired by the U.S. Fish and Wildlife Service in 1982 to protect the water resources and provide habitat for endangered native fishes.
From Wikipedia, licensed CC BY-SA 4.0.
| Designation | National Wildlife Refuge |
| Managed by | U.S. Fish and Wildlife Service |
| State | Arizona |
| Size | 2,365 acres (computed from the boundary polygon) |
| FWS region | Region 2 |
| Center point | 31.3437, -109.2586 |
| Night sky | Very dark ground, a faint glow at most (Black Marble reading 27) |
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.
Fire nearby
- PrescribedDouglas Piles Rx
29 mi from the center point · 14 acres
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
- 12.9 miDouglas Municipal Airport Runway ↗Douglas, AZ
Landmarks are listed first, then by distance from the boundary.
Reference
Questions people ask
How big is San Bernardino National Wildlife Refuge?
2,365 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 San Bernardino National Wildlife Refuge?
The U.S. Fish and Wildlife Service.
Source: U.S. Fish and Wildlife Service
What state is San Bernardino National Wildlife Refuge in?
Arizona.
Source: How states are assigned
How do I get to San Bernardino National Wildlife Refuge?
A point inside the boundary is at 31.344, -109.259. The official page carries directions and the office address.
Source: U.S. Fish and Wildlife Service
Is there a fire near San Bernardino National Wildlife Refuge right now?
1 active incident within 50 miles as of 2026-09-17, the nearest Douglas Piles Rx at 29 miles. Distance is to the reported incident point, not the fire edge.
Source: Fire nearby
How dark is the night sky at San Bernardino National Wildlife Refuge?
NASA’s Black Marble night-lights image reads 27 on a 0 to 255 scale at the center point, very dark ground, a faint glow at most.
Source: NASA Black Marble
Are there historic places near San Bernardino National Wildlife Refuge?
1 National Register listing within 15 miles, including Douglas Municipal Airport Runway.
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: San Bernardino 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.