Laguna Barros Negros is a saline surface water body situated within the Salar de Atacama basin in the Antofagasta Region of Chile, at an elevation of approximately 2,301 meters. It is part of the Los Flamencos National Reserve, connected to the Burro Muerto River and other lagoons like Chaxas and Byrro Muerto within the Socor area. The lagoon is located in a high-altitude desert plain, which defines its character as a remote and starkly beautiful location. Its integration into a network of lagoons and rivers suggests a dynamic hydrological system. The area is ecologically significant, with notable wildlife including black-breasted swallows and tricolor sea chicks. Paddlers should be aware that this is a protected area, and all activities are subject to the regulations governing the national reserve. Access points, boat ramps, and specific facilities for paddlers are available, though their exact nature and location require consultation with local resources or the reserve management. The high-altitude environment necessitates considerations for acclimatization, and the saline water quality will influence the paddling experience. Seasonal water temperature patterns and detailed hazards are not specified, but the arid climate of the Atacama region suggests significant temperature variations between day and night.