Abra del Acay
The Abra del Acay in La Poma Department, Salta Province, Argentina is the highest point in Argentina's National Route 40. Located at, its altitude is, even though an old sign informs visitors it stands at.
The Abra del Acay is approximately geodesic distance southeast from San Antonio de los Cobres, although the direct route by road is about.
Inaugurated on 8 July 1960 after three years of construction, this unpaved part of the National Route 40 is only suitable for all-terrain vehicles, with the exception of some months in the year when meteorological and maintenance conditions allow normal vehicles to transit. The road inclination of 4.5% and oxygen deprivation due to altitude make the crossing difficult for both vehicles and people.
