Ojos del Salado was even higher than Ojos del Salado. Later measurements using more precise equipment showed that Ojos del Salado is about higher than Pissis. Furthermore, in 2007 a Chilean–Argentine–European expedition organized by Andes Magazine and Azimut 360 performed a survey on both Ojos del Salado and Monte Pissis using more accurate instruments. It found the former to be and the latter Although this fits within recent handheld GPS surveys, which have estimated the mountain to be between and , the vertical error margin of the expedition's equipment, , leaves uncertainty as to the mountain's more precise altitude. Ojos del Salado has
Neacola Mountains Neacola Mountains The Neacola Mountains are the northernmost subrange of the Aleutian Range in the U.S. state of Alaska. The range is named for the Neacola River which bounds it to the north and drains the highest and most rugged peaks of the group. They are bordered on the southeast by the Chigmit Mountains, another subrange of the Aleutian Range, on the northeast by the Tordrillo Mountains, and on the west and southwest by the lakes and lowlands of Lake Clark National Park and Preserve. The highest peak is Mount Neacola (also known as "Neacola Peak"), 9,426 feet (2,873 m)