There is one place named Hidden Tarn in Australia.
All places in the world called "Hidden Tarn".
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)