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,
London Bridge (Lake Havasu City) shore of Lake Havasu. The bridge was completed in 1971 (along with a canal), and links an island in the Colorado River with the main part of Lake Havasu City. The 1831 London Bridge was the last project of engineer John Rennie and was completed by his son, John Rennie the Younger. By 1962, the bridge was not sound enough to support the increased load of modern traffic, and it was sold by the City of London. The purchaser, Robert P. McCulloch, the chairman of McCulloch Oil Corporation, was the founder of Lake Havasu City, his retirement real estate development