Ruta 40 is a route in western Argentina, stretching from Punta Loyola near Rio Gallegos in Santa Cruz Province in the south to La Quiaca in Jujuy Province in the north, running parallel to the Andes mountains. The southern part of the route, a largely unpaved road through sparsely populated territory, has become a well-known adventure tourism journey, although it is now planned to pave the whole road