Salar de Uyuni (woo Salar de Uyuni) is located in the southwest of Bolivia, near the top of the Andes. Away from the city, the capital of the Bolivian La Paz about 185 miles. The territory, 10 582 square kilometers high from sea level, 3 656 meters. Due to the altiplano (Altiplano) on the Andes of Bolivia. No drainage. The water from the mountains that surround the flow together until a large lake with high salinity. Big lake since prehistoric times, this has been the strong solar evaporate. Leaving only salt crystals that gradually builds thicker become a sea salt at present.