Coronavirus (COVID-19) Notice
Although most refuge lands and outdoor spaces have remained open for the public to enjoy, we ask that you Recreate Responsibly.

  • Check local conditions on this website and call ahead for current information.
  • Operations vary based on local public health conditions.
  • Consistent with CDC recommendations, people who are not fully vaccinated must continue to wear masks indoors and in crowded outdoor spaces.
  • Most importantly, stay home if you feel sick and continue to watch for symptoms of COVID-19 and follow CDC guidance on how to protect yourself and others.


  • 150 Mallard

    No Facilities

    Delevan NWR is not open to the public for wildlife watching. We recommend visiting Sacramento and Colusa NWRs.

    Sacramento NWR

  • 150 Hunter with decoys


    Delevan NWR offers great waterfowl hunting.

    Hunting on the Complex

  • Tule by Peters

    Tule Greater White-fronted Geese

    Tules are one of the two subspecies that winter in CA. They winter mostly in the area on and near the Sacramento, Delevan, and Colusa NWRs.

    Check out the Complex's wildlife

Visitor Opportunities

Limited Viewing

Wildlife viewing at Delevan is limited to the surrounding public roads (Maxwell and Four-Mile Roads). For greater visitor opportunities, visit Sacramento or Colusa NWRs (see "Plan Your Visit" below).

About Delevan National Wildlife Refuge

Plan Your Visit

symbols - plan your visit

There are additional visitor opportunities throughout the Sacramento NWR Complex! Birdwatching, photography, hiking and hunting are just a few of the things our other refuge have to offer....

Plan Your Visit

Waterfowl Hunting

150 Pintail courtship flight

Find out more about waterfowl hunting on the Sacramento NWR Complex.

Hunting on the Complex

Directions to Delevan NWR

WILDLIFE VIEWING: Limited viewing is available from Maxwell and Four Mile Roads. Traveling north or south on I-5, exit at Maxwell Rd (at town of Maxwell), go 3.5 miles east on Maxwell Rd, turn left on Four Mile Rd to drive along west boundary of Refuge. Traveling from Colusa, go 4.5 miles north on Hwy 45 to Maxwell Rd, turn left on Maxwell Rd and go 4.4 miles to Four Mile Rd, go right on Four Mile Rd to drive along west boundary of Refuge. HUNT AREA: Go 2.1 miles north on Four Mile Rd.

Visitor and Hunter Check Station Maps (2 pages)
Featured Wildlife

Tricolored Blackbirds

60 x 100 Tricolored male

Tricolored blackbirds are a colonial species that is mostly limited to the Central Valley and surrounding foothills of California. This species has been known to have over 100,000 nesting birds at Delevan NWR. They are typical found here May-June.

Visit the wildlife web page

About the Complex

Sacramento NWR Complex - Contact Us

Delevan National Wildlife Refuge is managed as part of the Sacramento NWR Complex - Contact Us.

Read more about the complex
About the NWRS

National Wildlife Refuge System


The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America's fish, wildlife, and plants.

Learn more about the NWRS