His city, four hours from Phoenix, is a water-recreation playground in the middle of the desert. It's worth a visit to stroll across London Bridge and enjoy the waterfront shops and restaurants. But best to plan a trip from October to April to avoid the searing heat of Lake Havasu City, which is the nation's hot spot with regularity. As Brits are fond of saying, "Only mad dogs and Englishmen go out in the noon day sun." That applies throughout the long summers at Lake Havasu.