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Lake Retba | Pink Lake of Senegal

Just like Lake Hillier in Australia, Lake Retba in Senegal has pink colored water. It is also called Lac Rose meaning  pink lake. Lake Retba or Lac Rose lies north of the Cap Vert peninsula of Senegal, north east of Dakar. This lake cover about 3 square kilometers.


It is so named for its pink waters, caused by Dunaliella salina algae in the water that produce a red pigment that uses sunlight to create more energy, turning the waters pink. Dunaliella salina is a salt-loving organism. Depending on the time of day, the lake changes color from a light purple to a deep scarlet pink. The color is particularly visible during the dry season.

The lake is also known for its high salt content, which, like that of the Dead Sea, allows people to float easily.

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