The Lake Retba

In former times Lake Retba was a lagoon, which connected with the ocean by a narrow channel. But the Atlantic surf, gradually pouring sand, fell asleep a channel, and the lagoon turned into a fairly deep salt lake. In the 1970s, a period of drought began in Senegal, resulting in a very shallow basin.

The color of the water of the Senegalese lake can change its shade from light pink to brown. The color saturation depends on the time of the day, from the clouds, and especially from the wind, since in strong winds, the cyanobacterium activates and produces more enzymes that color the water in a pink color.

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