Lake Havasu Lake Havasu Lake Havasu is a large reservoir behind Parker Dam on the Colorado River, on the border between California and Arizona. Lake Havasu City sits on the lake's eastern shore. The reservoir has an available capacity of . The concrete arch dam was built by the United States Bureau of Reclamation between 1934 and 1938. The lake's primary purpose is to store water for pumping into two aqueducts. Prior to the dam construction, the area was home to the Mohave Indians. The lake was named (in 1939) after the Mojave word for "blue". In the early 19th century, it
Havasu Wilderness of trees grow in washes with willows and salt cedar found at the edges of the river. Havasu Wilderness is home to a variety of wildlife, including species of quail, geese, duck, grebe, crane, rail (including the endangered Yuma rail), heron, egret, falcon, eagle, desert bighorn sheep, coyote, porcupine, fox, and bobcat. Gila monster and the endangered desert tortoise can also be found in the wilderness. Fires, mechanized vehicles, some types of boats, and camping are not permitted in Havasu Wilderness. The most common activities are hiking and wildlife watching. Havasu Wilderness Havasu Wilderness is a wilderness area located within