Bill Williams River
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ToursExplore Lably’s 3D toursTo the north of the river are the Artillery Mountains, the Rawhide Mountains and Bill Williams Mountain. To the south lie the Buckskin Mountains. The old mining camp of Swansea (now a ghost town) lies in the Buckskin Mountains about 3.7 miles (6.0 km) south of the river.
The two tributaries that form the Bill Williams are the Big Sandy River and the Santa Maria River. Alamo Lake, a flood control reservoir, lies just west of the confluence of the two tributaries. The reservoir and state park is a major fishing and recreation region on the river. The confluence of the Bill Williams River with the Colorado River is just north of Parker Dam and the entire riparian environment has state parks and wilderness areas: Buckskin Mountain State Park, Cattail Cove State Park, and the Gibraltar Mountain, Swansea, and Cactus Plain wilderness areas.
The river is named after mountain man Bill Williams.
Flora and fauna
Fish species in the Bill Williams river include largemouth bass, yellow bullhead, green sunfish, bluegill, carp, mosquitofish, red shiner, razorback sucker, and others. The lowland leopard frog, North American river otter, beaver, muskrat, Arizona toad, and spiny-spotted turtle are among the major aquatic vertebrates found in or near the water. Plants in the riparian zones include several kinds of willows as well as bulrushes, and saltcedar. The Bill Williams Wildlife Refuge near Parker is frequented by at least 335 species of birds.
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Nature reserves
The city of Scottsdale, Arizona, formerly owned a ranch on the river and planned to export water from it. However, in 2006, Scottsdale sold the ranch & surroundings to the Phelps Dodge mining company, which operated it as a nature reserve, under a government program for companies to restore habitat in one area to balance environmental damage caused elsewhere.
The Bill Williams River National Wildlife Refuge protects the lower course of the river, to its mouth at Lake Havasu reservoir. The Sonoran Desert rare riparian habitat of Bill Williams River NWR draws a variety of Neotropical migratory birds, from Central and South America en route to their breeding grounds in the north. It has one of the last stands of the natural Cottonwood-Willow Forests plant community along the lower Colorado River, with Fremont's cottonwood (Populus fremontii) and Goodding's willow (Salix gooddingii) the primary tree species.