Lake Retba: Senegal’s Enchanting Pink Lake and Its Vanishing Hue
Nestled just 35 kilometers (22 miles) northeast of Dakar, Senegal, Lake Retba—more famously known as Lac Rose or "The Pink Lake"—is one of the world’s most unique and visually striking natural wonders. Its unusual pink coloration has fascinated travelers, scientists, and photographers for decades, drawing comparisons to a fantasy landscape.
However, in recent years, this once-vivid pink lake has begun to fade, raising concerns about climate change, ecological shifts, and human impact. What caused the lake to turn pink in the first place? And why is it losing its iconic color now?
The Science Behind the Pink Hue
Lake Retba’s famous pinkish-red tint comes from Dunaliella salina, a species of salt-loving algae. These microorganisms produce a red pigment to absorb sunlight, which he...




















