Lac Bleu, Natural lake in Guizengeard, France.
Lac Bleu consists of two artificial lakes created in a former clay quarry and distinguished by their intense turquoise waters. The sites are surrounded by pine forests and connected by a walking trail with informative signs throughout.
The site functioned as a kaolinite quarry from 1972 to 2013, extracting white clay for porcelain and industrial use. After mining ceased, the abandoned pits gradually filled with water and transformed into the lakes visible today.
The name refers to the striking turquoise color of the water, which comes from minerals in the clay and creates an unusual visual impression. Visitors walk along paths where this distinctive hue is visible from multiple viewpoints throughout the day.
The walking trail is well-marked and winds through the entire area with several spots to rest. Visitors should wear comfortable shoes and bring water, as the route takes several hours and passes mostly through shaded forest sections.
The two lakes have different ecological conditions: one maintains acidic waters while the other is home to turtles, frogs, otters, and beavers. This contrast in habitats developed naturally from the varying mineral composition left by the former quarry.
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