Course of the Colorado River Topock Marsh in Topock Gorge and widens into Lake Havasu, formed by Parker Dam. Lake Havasu provides recreation as well as the home of the retired U.K. London Bridge in Lake Havasu City, Arizona, now the New London Bridge. Near Parker Dam are the first two major diversions of the lower Colorado: the Colorado River Aqueduct, which travels west to Los Angeles and San Diego, California; and the Central Arizona Project, which sends water east towards Phoenix and Tucson, Arizona. The intermittent Bill Williams River joins the Colorado from the east in Lake Havasu, just above Parker Dam. The river
Lake Havasu City, Arizona cameo by porn star Ron Jeremy. "Piranha 3-D" was filmed in Lake Havasu in 2009. The city was called Lake Victoria in the film. It was directed by Alexandre Aja and starred Adam Scott, Elisabeth Shue, Kelly Brook, Richard Dreyfuss, Jerry O'Connell, Ving Rhames and Christopher Lloyd. The film is a remake of the 1978 film "Piranha". It debuted in Lake Havasu on Thursday, August 19, 2010, and was released nationally on August 20, 2010. In 2009 Travis Pastrana and the rest of the Nitro Circus crew filmed an entire episode of their TV show in Lake Havasu that aired