Salar de Ollagüe Pass is a treacherous road in the Andes
Paso Salar de Ollagüe is an international high mountain pass at an elevation of 3.695m (12,122ft) above the sea level, located on the border of Chile and Bolivia.
Located within the Andes mountain range, the road traversing the pass is usually open all year long. On the Chilean side, the road is called CH-21 and on the Bolivian side it is called Carretera 701. Both are unpaved and pretty treacherous.
Be careful if you get car sick. Recommended to hire a local driver. The pass links the Antofagasta Region of Chile and the Potosi Department of Bolivia. The pass is open daily between 8.00 and 20.00h.