The Quebrada de Humahuaca is a narrow mountain valley located in the province of Jujuy in north-west Argentina. It is about 155 kilometres 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 (Valles Templados) in the south.
The name quebrada (literally "broken") translates as a deep valley or ravine. It receives its name from Humahuaca, a small city of 11,000 inhabitants. The Grande River (Río Grande), which is dry in winter, flows copiously through the Quebrada in the summer.
The quebrada has been placed on the UNESCO World Heritage List.