Updated May 17, 2024


Intermittent Closure of River Units starting Monday April 29, 2024

  • There will be intermittent closures of various units on the Sacramento River NWR starting 4/29 for follow-up fuel reduction work. Crews will be starting at the Packer Unit and moving north through the River Refuge. Expect a sign at the gate if a unit is closed. Thank you for your patience, understanding and flexibility while we get this important work done!

Request for Scoping Comments for the Draft Environmental Assessment for the Sacramento National Wildlife Refuge Complex, San Luis National Wildlife Refuge Complex, and Stone Lakes National Wildlife Refuge for Management of Aquatic Invasive Plants

  • The U.S. Fish and Wildlife Service (Service) is preparing a Draft Environmental Assessment (EA) to evaluate the potential physical, environmental, cultural, and socioeconomic effects associated with the management of aquatic invasive plants within and surrounding the Butte Sink Wildlife Management Area (WMA), Colusa National Wildlife Refuge (NWR), Delevan NWR, Sacramento NWR, Sacramento River NWR, Steve Thompson North Central Valley WMA, Sutter NWR, San Joaquin River NWR, San Luis NWR, Merced NWR, Grasslands WMA, and Stone Lakes NWR (hereto referred to as the “Covered Refuges”).
  • View or download the full scoping letter here.
  • The Service respectfully requests that you consider the proposed action and provide any comments and/or available information that you may have regarding resources within and adjacent to the Covered Refuges. At this time, we are seeking input to help identify the scope of issues and potential alternatives to be analyzed in the Draft EA, as well as regulatory concerns and any other relevant information. Please provide any comments in writing via email by 5:00 P.M. on May 25, 2024 to fw8plancomments@fws.gov. Before including your address, phone number, email address, or other personal identifying information in your comment, please be aware that your entire comment, including your personal identifying information, may be made publicly available at any time. While you can ask us in your comment to withhold your personal identifying information from public review, we cannot guarantee that we will be able to do so.

Visit Us

Welcome to the Delevan National Wildlife Refuge  

Delevan National Wildlife Refuge is just one of the 5 National Wildlife Refuges and 3 Wildlife Management Areas that make up the Sacramento National Wildlife Refuge Complex. Delevan NWR is only open to the public for hunting and photography (by reservation only). Delevan is not open to the public for wildlife watching other than Maxwell Road and Four Mile Road, which border the refuge. We recommend visiting the Sacramento NWR and Colusa NWR for wildlife watching.  

PLAN YOUR VISIT <-- Click here to find all the information you need to visit the Complex.....

            • visitor center
            • auto tours
            • trails
            • photography
            • bicycling
            • hunting
            • environmental education
      • HOURS

Other Facilities in the Complex

Delevan National Wildlife Refuge is managed as part of the Sacramento National Wildlife Refuge Complex, with headquarters at Sacramento National Wildlife Refuge. The Refuge Complex is comprised of 5 National Wildlife Refuges (Sacramento, Delevan, Colusa, Sutter and Sacramento River NWRs) and 3 Wildlife Management Areas (Willow Creek-Lurline, Butte Sink and Steve Thompson North Central Valley WMAs).

Rules and Policies

Plan Your Visit  <-- Please see the Rules and Policies section on our Plan Your Visit page


Delevan National Wildlife Refuge
C/O Sacramento National Wildlife Refuge Complex752 County Road 99WWillows,CA95988-9639
Driving Directions

Delevan NWR wildlife viewing (limited to public road):

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 the Refuge

Delevan NWR does not have any public viewing access, but may be seen from:
- Maxwell Road* (County Road)
- Four Mile Road* (County Road)
*please be cautious when viewing from public roads...they are open to public traffic, and may have soft shoulders

Delevan NWR Hunter Check Station:

Check station is approximately 5.6 miles northeast from Maxwell

From Interstate 5: