Point Lonsdale, Port Philip Bay Vic.
Characteristics:White concrete tower. A busy light which by varying signals alerts shipping to the state of the port, ie whether open or closed etc.
Range:W12 R10 sea miles
This is a most interesting light because of the communications function. The communcations officers had to approve every entry into the port because "The Rip" is one of the 10 most dangerous stretches of water in the world. The full story and more photos can be found here