The light blue lagoon is a high Andean lagoon of Bolivia located in the department of Potosí in the south of the country. It is called so by the color of its clear blue waters, is at the foot of the volcano Uturuncu. In this lagoon are fed the Andean flamingos that form large flocks of these birds. The Celeste lagoon has a maximum dimensions of 2.5 km long by 1.5 km wide.
The lagoon has a shore or coast of 7.4 kilometers.