West of Colusa, more than 4,500 acres of seasonal marsh, permanent ponds, watergrass habitats and uplands shelter large flocks of ducks and geese during fall and winter; the best viewing opportunities are in November and again in mid-January. A 3-mile, self-guiding driving tour route and 1-mile walking trail lead through part of the Colusa National Wildlife Refuge; phone (530) 934-2801 for additional information. Learn More...