The Salinas Grandes are located in the north west part of Argentina, in the provinces of Jujuy and Salta, at an average altitude of 3450 meters above sea level. It covers an area of 212 km2.
It is of industrial importance for its sodium and potassium mines. Salinas Grandes has been explored for the lithium brine beneath its salt.
Coordinates: 23°38′00″S 66°05′00″W / 23.6333°S 66.0833°W / -23.6333; -66.0833