Havasu National Wildlife Refuge Havasu National Wildlife Refuge Havasu National Wildlife Refuge is a U.S. National Wildlife Refuge on the lower Colorado River in Arizona and California. It preserves habitat for desert bighorn sheep to the endangered southwestern willow flycatcher, birds and other animals. The refuge protects 30 river miles - of shoreline - from Needles, California, to Lake Havasu City, Arizona. One of the last remaining natural stretches of the lower Colorado River flows through the Topock Gorge. Animal species that inhabit this refuge include peregrine falcon, coyote, fox, desert bighorn sheep, greater roadrunner, bobcat, and cougar. Thousands of bats emerge from historic
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