Cerro del Bolsón the main chain by a relatively low saddle. Cerro del Bolsón Cerro del Bolsón is a mountain in the Aconquija Range of Argentina, in Tucumán province. It is the highest point of a significant eastern spur of the main range of the Andes, east of the Puna de Atacama region. It lies about 200 kilometres east of Ojos del Salado, the highest point in the Puna de Atacama. While not of great height compared to the 6000 metre-plus peaks of the main chain of the Andes to the west, Bolsón is notable for its high topographic prominence (it ranks 69th
Ojos del Salado of Ojos del Salado was , but that was "simply [...] based on the altitude of the final camp, and the hours of ascent to the summit." In 1956, the first Chilean expedition led by the retired lieutenant René Gajardo measured the height of Ojos del Salado as with a pocket pressure altimeter. Apart from being an inexact method, the height shown by the altimeter was far too high as air pressure is generally lower in the afternoon, the time at which the team reached the summit. An expedition to the area in the 1990s claimed that nearby Monte Pissis