Laguna Azul, Geological provincial reserve in Santa Cruz, Argentina.
Laguna Azul is a lake set within an inactive volcanic crater, known for its striking deep blue color and extraordinary depth of 295 meters. The lake spans approximately 560 meters across and sits surrounded by volcanic terrain.
The volcanic field formed over the past million years through underground activity and eruptions. The final eruptions occurred less than 10,000 years ago, leaving the site geologically dormant since then.
This place matters to people who care about Patagonian nature, particularly because of the bird species that nest around the lake. Local communities view the area as part of their natural heritage that deserves protection.
The reserve is located about 62 kilometers south of Rio Gallegos and can be reached via well-maintained roads. The drive from the nearest town takes around two hours.
The lake's sediments provide scientists with information about climate patterns over long periods. The intense blue color comes from the water containing very few suspended particles.
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