There are 2 places named Mount Duncan in Australia.
All places in the world called "Mount Duncan".
Hamilton (5)
Kingston (5)
Gladstone (5)
Springfield (4)
Woodstock (4)
Darlington (4)
Rosedale (4)
Richmond (4)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Winton (3)
Croydon (3)
Kensington (3)
Oxley (3)
Salisbury (3)
Stony Creek (3)
Dundas (3)
Kangaroo Flat (3)
Red Hill (3)
Swan Reach (3)
Beaconsfield (3)
Bridgewater (3)
Elliott (3)
Forest Hill (3)
Warburton (3)
Williamstown (3)
Middleton (3)
Sassafras (3)