Well it does snow in the Atacama in certain places once in a while. This photo shows the basecamp rangers station and the route up the mountain. One route (the hardway up and the easiest down) goes up the right ridge and you can faintly see the path raising over the crest on the ridge. The car path (you cant drive up because of a penitite field 1/2 way up) goes to the left of this photo on the mound in front.