Lake “Hiller” located on Middle Island in Western Australia. Middle Island is the largest of the islands and islets that make up the Recherche Archipelago, a group of about 105 islands. This unusual salt water lake is different from all the other lakes of the world because it is pink! This pink lake Hiller is edged with white salt and surrounded by dark green forests of eucalyptus and paperbark trees. A narrow strip of white sand dunes and separates the lake from the ocean deep water.
A possible explanation to some students involves low concentrations of nutrients and various types of bacteria and algae.