Travelers are voting Victoria Dam as the best dam near Perth. There is 2 dams near Mandurah a city just 70 km from Perth. The most popular of these is Serpentine Dam near Mandurah. You can find 3 dams in Western Australia and 41 dams in the country of Australia. Our members favorite in Western Australia is Victoria Dam and Blowering Dam is the top pick in Australia. Want more? Check out our map of dams near Perth.