Lac Rose lies north of the Cap Vert peninsula of Senegal, north east of Dakar.
It is so named for its pink waters, caused by Dunaliella salina algae in the water. …
The lake is also known for its high salt content, which, like that of the Dead Sea, allows people to float easily. The lake also has a small salt collecting industry and is often the finishing point of the Dakar Rally.…
P.S.
Security threats in Mauritania led to the cancellation of the 2008 rally.
Since 2009 the Dakar Rally has been run in South America.
Rick McCharles 