COIPASA, SALAR DE

salt flat, in the bleak Altiplano of Bolivia, about 100 air mi (160 air km) southwest of the city of Oruro, near the Chilean border. At an altitude of 12,073 ft (3,680 m), the flat, Bolivia's second largest (after Salar de Uyuni), occupies 856 sq mi (2,218 sq km). Lago (lake) de Coipasa directly to the north receives the intermittently flowing Ro Lauca from the northwest and is connected to Lago de Poop to the east by the Ro Lacajahuira.