Travelers are voting Pacoima Dam, Whittier Narrows Dam and Eaton Wash Reservoir as the best of 5 dams near Los Angeles. There are 3 dams near Huntington Beach a city just 30 km from Los Angeles and 4 dams near Valencia which is 30 km distant. The most popular of these are Whittier Narrows Dam near Huntington Beach and Pacoima Dam in Valencia. You can find 38 dams in California and 135 dams in the country of United States. Our members favorite in California is Morris Reservoir and Hoover Dam is the top pick in United States. Want more? Check out our map of dams near Los Angeles.