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Paso de Sico

Paso de Sico is a high mountain pass at an elevation of 4.092m (13,425ft) above the sea level, located in the Andes between Chile (II Región de Antofagasta) and Argentina (Provincia de Salta). The nearest towns to the pass are San Antonio de los Cobres in Argentina and San Pedro de Atacama, in Chile.

The pass is traversed by Chile Route 23, a dirt rubble road, and Argentina Route 51, connecting San Pedro de Atacama on the Chilean side with Catua and San Antonio de los Cobres on the Argentinian side.
Due to the unique location and the climb in elevation over thousands of feet, and passing through remote areas, it is important when driving in these conditions to be prepared. In summer, the extreme temperatures are 23 degrees Celsius, and -12 in winters, prevailing cold and dry weather. Check weather forecasts before leaving home, and remember that it becomes cooler and often more prone to storms at higher elevations. Be prepared with jackets, water, and emergency kit in your car.

The surface of the road is gravel and sand. This trail passes through remote areas, so you need to be prepared. Located at 4.092 meters high, this pass joins Chile with the Argentinean province of Salta, with a gravel road, via the CH-23 international highway.  It also passes through sectors of the Los Flamencos national reserve like the Luna Valley before arriving to San Pedro Atacama. 



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