Laguna Colorada, or the Red Lagoon, is a shallow salt lake located at an altitude of 14,000 feet in the southwest of the altiplano of Bolivia, within Eduardo Avaroa Andean Fauna National Reserve and close to the border with Chile. Dotted with white islands of massive borax deposits, the nearly 15,000-acre salt lake is less than three feet deep, and is tinted blood red due to a variety of algae which thrive in the salt water. The plankton rich lake draws a large number of endangered James flamingos, which is another highlight of the lake.

The altiplano has many large lagoons also known for their brilliant colours due to the minerals in their waters, for instance, Laguna Verde is known for its remarkable emerald-green waters. But Laguna Colorada is the only large red lagoon in the Reserve.

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