Quebrada De Humahuaca

The Quebrada de Humahuaca is a narrow mountain valley located in the province of Jujuy in northwest Argentina, 1,649 km (1,025 mi) north of Buenos Aires. It is about 155 km (96 mi) long, oriented north–south, bordered by the Altiplano in the west and north, by the Sub-Andean hills in the east, and by the warm valleys in the south. (Wikipedia)