Lake Retba

Lake Retba or Lac Rose (English: Pink lake) is located north of Cap Vert, northeast of Senegal. It is 35 kilometers from Dakar.
The name "Pink" depicts the colour of its waters which become especially pinkish during the dry season. This is due to an algae called Dunaliella salina which produces a red pigment to absorb sunlight. Its high salinity level makes it possible for people to float easily, as happens in the Dead Sea.