Travelers are voting Woronora Dam as the best dam near Sydney. There are 1 dam near Wollongong a city just 42 km from Sydney and 1 dam near Blue Mountains which is 53 km distant. The most popular of these are Woronora Dam near Wollongong and Warragamba Dam in Blue Mountains. You can find 15 dams in New South Wales and 40 dams in the country of Australia. Our members favorite in New South Wales is Woronora Dam and Blowering Dam is the top pick in Australia. Want more? Check out our map of dams near Sydney.