Travelers are voting Olivenhain Dam, Loveland Dam and Sweetwater Dam as the best of 3 dams near San Diego. There are 1 dam near San Clemente a city just 34 km from San Diego and 2 dams near Aliso Viejo which is 50 km distant. The most popular of these are Santiago Dam near San Clemente and Carbon Creek in Aliso Viejo. You can find 38 dams in California and 139 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 San Diego.