Our Complex includes Sacramento, Delevan, Colusa, Sutter and Sacramento River NWRs and Willow Creek-Lurline, Butte Sink and Steve Thompson North Central Valley WMAs. The Sacramento National Wildlife Refuge Complex (Complex) is located in the heart of the Sacramento Valley about 90 miles north of the city of Sacramento. The Complex consists of five national wildlife refuges (NWR) and three wildlife
management areas (WMA) that comprise nearly 70,000 acres of wetland, upland and riparian habitats and conservation easements. Fish and Wildlife Service (Service); they serve as resting and feeding areas for nearly half the migratory birds on the Pacific Flyway. The auto tours/trails on Sacramento NWR, Colusa NWR, and Llano Seco are 1 hour before sunrise to 1 hour after sunset.