Travelers are voting Granby Dam, Chatfield Reservoir and Lawn Lake Dam as the best of 3 dams near Keystone. There are 1 dam near Lakewood a city just 30 km from Keystone and 1 dam near Lafayette which is 39 km distant. The most popular of these are Chatfield Reservoir near Lakewood and San Pablo Reservoir in Lafayette. You can find 7 dams in Colorado and 138 dams in the country of United States. Our members favorite in Colorado is Chatfield Reservoir and Hoover Dam is the top pick in United States. Want more? Check out our map of dams near Keystone.