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Sacramento NWR Complex Notifications

Updated August 5, 2025 - 7:30 AM

On-going Construction at Sacramento NWR

The entrance road, visitor center parking lot, and north-side walking trails will be under construction June 16 through mid-October. When the refuge is open to the public, thank you for driving slowly, following all flaggers directing traffic, and honoring any closures while this important work is completed this summer into fall. Read more about this project in our Press Release from Project Leader Sharon Vaughn. What's Open:

  • Entrance road, parking lot and bathrooms at the Visitor Center, and Auto Tour. Watch for flaggers and redirected traffic.
  • South-side (vegetated) walking trails, accessed from the Visitor Center Parking lot or kiosk parking lot upon entering the refuge.
  • Visitor Center will be open on Fridays 9am-4pm, unless otherwise noted.

Walking Trail Closure at Sacramento NWR

Starting the week of August 18, the north-side compacted gravel walking trail will be closed to the public while construction crews replace the walking surface. This project is expected to be completed by mid-October. The south-side vegetated walking trail will remain open.

Upcoming CDFW + USFWS online outreach meeting regarding hunt programs

Read more on our News page for how to participate. The meeting will be August 25 from 4-6pm.

Applications Open for Volunteers

Check out our Get Involved page or visit and search "Sacramento National Wildlife Refuge Complex."

Sheep grazing at Pine Creek Unit (Sacramento River NWR)

Sheep are grazing Pine Creek unit mid-July through mid-August to help manage weeds. This is a reminder that dogs must be kept on leash and on the trail at all refuge units (see Rules and Policies). Learn more about the Complex's grazing opportunities.

Visit Us

Welcome to Colusa National Wildlife Refuge!   

Colusa NWR offers a Visitor Area with a Restroom and Information Kiosk, Observation Deck, Observation Walkway, Auto Tour, Trail, Photography Blind (by reservation only), limited Bicycling and Hunting.  

There are LOTS of recreational opportunities on the other refuges of the Complex, including Visitor Areas, Auto Tours, trails, bicycling, photography, and hunting. 

VISIT US! <-- CLICK HERE... 
to find all the information you need to PLAN YOUR VISIT, like recreational opportunities, what to expect, hours and directions, accessibility, passes and permits, rules and policies, local and contact information.  Or jump straight to your favorite activity using these quick links:

VISITOR CENTERAUTO TOURSTRAILSBICYCLINGPHOTOGRAPHYHUNTING-WATERFOWLHunting-RiverMAPS, DIRECTIONS + BROCHURESENVIRONMENTAL EDUCATION

Sacramento National Wildlife is one of the 5 National Wildlife Refuges and 3 Wildlife Management Areas that make up the Sacramento National Wildlife Refuge Complex: 

Trails

Auto Tours and Trails  <-- Please click here for CURRENT MAPS and INFORMATION about all of our Trails!

Other Facilities in the Complex

Colusa 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).

Large flock of Ross's and snow geese in flight against a blue sky
Sacramento National Wildlife Refuge
Sacramento National Wildlife Refuge is part of the Sacramento NWR Complex and offers a variety of recreational opportunities, including wildlife viewing, photography, hiking, hunting and so much more. The Visitor Center for the Complex is located at Sacramento NWR, where you can find maps and...
National Wildlife Refuge
six pintails in a courtship flight
Delevan National Wildlife Refuge
Delevan National Wildlife Refuge is part of the SACRAMENTO NWR COMPLEX. Delevan NWR is mostly closed to the public, but does offer hunting and limited photography.
National Wildlife Refuge
flock of dunlin and dowitchers in flight above wetland surface
Colusa National Wildlife Refuge
Colusa National Wildlife Refuge is part of the SACRAMENTO NWR COMPLEX. Colusa NWR offers many visitor activities: drive the auto tour, take photos, watch wildlife, go for a hike, or take part in a waterfowl hunt.
National Wildlife Refuge
white-fronted geese standing in pond with reeds in background
Sutter National Wildlife Refuge
Sutter National Wildlife Refuge is part of the SACRAMENTO NWR COMPLEX. Sutter NWR is located about 50 miles north of the metropolitan area of Sacramento, and offers limited wildlife viewing, hunting, and seasonal trails.
National Wildlife Refuge
black tailed deer in grass with white geese flying in background
Sacramento River National Wildlife Refuge
SACRAMENTO RIVER NATIONAL WILDLIFE REFUGE is part of the Sacramento National Wildlife Refuge Complex. Sacramento River NWR is made up of 30 different units that lie between Red Bluff and Princeton. Twenty-four of the units are partially or entirely open to the public, providing a variety of hiking...
National Wildlife Refuge
eight sandhill cranes stand in a shallow wetland with grasses in the background
Steve Thompson North Central Valley Wildlife Management Area
Steve Thompson North Central Valley Wildlife Management Area is part of the SACRAMENTO NWR COMPLEX. Steve Thompson NCV WMA consists primarily of conservation easements on privately-owned wetlands, but also includes one 1,732-acre, U.S. Fish and Wildlife Service-owned property known as the Llano...
National Wildlife Refuge
ducks and geese flying in air and in water. mountains in background
Butte Sink Wildlife Management Area
Butte Sink Wildlife Management Area is part of the SACRAMENTO NWR COMPLEX. Butte Sink WMA does not have any lands open to the public. Most of the Butte Sink WMA consists of privately-owned properties under conservation easement. One property, known as the Butte Sink Unit, is owned by the U.S....
National Wildlife Refuge
ducks and geese mostly in water with 9 flying. trees in background
Willow Creek-Lurline Wildlife Management Area
Willow Creek-Lurline Wildlife Management Area is part of the SACRAMENTO NWR COMPLEX. Willow Creek-Lurline WMA consists solely of privately-owned properties under conservation easement, and therefore has no public access.
National Wildlife Refuge

Locations

Colusa National Wildlife Refuge

For Hours, Directions and Contact Information, please see our Visit Us page