Lake Havasu the lower Sonoran Desert and its Californian Colorado Desert ecoregions. The Havasu National Wildlife Refuge is located at the upper end and upriver. Lake Havasu State Park is along the eastern shore in Arizona. The Bill Williams River National Wildlife Refuge extends southeastward up the riparian zone of the Bill Williams River canyon from the southeastern end of the reservoir and dam. Lake Havasu is well known for its recreational fishing and boating, which bring in around 750,000 visitors a year. Fishing tournaments are often held on the lake, where bass are the main catch. Fish list : Largemouth bass,
Havasu Creek enters Cataract Canyon (also known as Havasu Canyon). It then reaches Havasu Springs, where an underground source feeds the creek. This spring can be accessed by heading upstream when the creek is first encountered. The water stays at about 70 °F (21 °C) all year around. The creek is well known for its blue-green color and distinctive travertine formations. This is due to large amounts of calcium carbonate in the water that formed the limestone that lines the creek and reflects its color so strongly. This also gives the creek an interesting feature, as it is ever-changing. This occurs because