Laguna Azul (Bolivia)

Laguna Azul, meaning "Blue Lagoon" in Spanish, is a salt lake located in the Eduardo Avaroa Andean Fauna National Reserve in southwestern Bolivia, within the Potosí Department. It is situated near the Chilean border and is part of the Altiplano, a high plateau shared by Bolivia, Peru, Argentina, and Chile.

Laguna Azul is known for its striking turquoise or blue coloration, which is due to a combination of mineral deposits, the shallow depth of the water, and the reflection of the sky. This vibrant color, coupled with the surrounding high-altitude desert landscape of volcanic peaks and barren plains, makes it a popular tourist destination and a visually stunning element of the region.

The lake supports some microbial life adapted to the saline environment but is generally considered devoid of significant aquatic fauna. Birdlife, however, can sometimes be observed in the vicinity, though not directly within the lake itself due to the high salt concentration.

Laguna Azul is often visited as part of tours exploring the Sud Lipez region, which also includes other attractions such as Laguna Verde, Laguna Colorada, geysers, and hot springs. The lake's remote location and high altitude (typically above 4,000 meters or 13,000 feet) require acclimatization and careful planning for travelers.