Paso Salar de Ollagüe is an international high mountain pass at an elevation of 3.695m (12,122ft) above the sea level, located in the border of Chile and Bolivia.
The road over the pass is usually open all year long. On the Chilean side, the road is called CH-21 and the Bolivian side is called Carretera 701. Both are gravel. The pass is open daily between 8.00 and 20.00h.