Er bestaan 3 plaatsen met de naam Observatory Hill in Australië.
Alle plaatsen in de wereld die "Observatory Hill" heten.
Gladstone (5)
Hamilton (5)
Kingston (5)
Rosedale (4)
Richmond (4)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Springfield (4)
Woodstock (4)
Darlington (4)
Middleton (3)
Warburton (3)
Williamstown (3)
Black Springs (3)
Flinders (3)
Huntly (3)
Sassafras (3)
Somerton (3)
Wattle Flat (3)
Auburn (3)
Clarendon (3)
Derby (3)
Epping (3)
Georgetown (3)
Melrose (3)
Bangor (3)
Rosebery (3)
Waterloo (3)