USFWS · National wildlife refuge · California

Delevan National Wildlife Refuge

The Delevan National Wildlife Refuge is one of six refuges in the Sacramento National Wildlife Refuge Complex in the Sacramento Valley of central northern California.

From Wikipedia, licensed CC BY-SA 4.0.

National Wildlife Refuge5,844 acresUSFWSCA
Official page at U.S. Fish and Wildlife Service ↗
2fires
active
Lucas · 49 mi from the center · 1,099 acres
1 more within 50 miles
Incident details ↓

Facts

Where each comes from ↓
DesignationNational Wildlife Refuge
Managed byU.S. Fish and Wildlife Service
StateCalifornia
Size5,844 acres (computed from the boundary polygon)
FWS regionRegion 8
Center point39.3073, -122.0979
Night skyVery dark ground, a faint glow at most (Black Marble reading 23)

Boundary map

1 outline

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
  • Wildfire
    Lucas

    49 mi from the center point · 1,099 acres

  • Wildfire
    Lucas

    49 mi from the center point · 4,128 acres · 53% contained

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 · 6 in all · Register Atlas

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

Reference

Questions people ask

How big is Delevan National Wildlife Refuge?

5,844 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 Delevan National Wildlife Refuge?

The U.S. Fish and Wildlife Service.

Source: U.S. Fish and Wildlife Service

What state is Delevan National Wildlife Refuge in?

California.

Source: How states are assigned

How do I get to Delevan National Wildlife Refuge?

A point inside the boundary is at 39.307, -122.098. The official page carries directions and the office address.

Source: U.S. Fish and Wildlife Service

Is there a fire near Delevan National Wildlife Refuge right now?

2 active incidents within 50 miles as of 2026-09-17, the nearest Lucas at 49 miles. Distance is to the reported incident point, not the fire edge.

Source: Fire nearby

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

NASA’s Black Marble night-lights image reads 23 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 Delevan National Wildlife Refuge?

6 National Register listings within 15 miles, including Colusa High School and Grounds and Colusa Carnegie 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: Delevan 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.