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
Lists of mountains and hills in the British Isles not be considered peaks or mountains under UIAA definitions. With the exception of Pillar Rock, a rocky outcrop on Pillar in the Lake District, the peaks of all of the Nuttalls can be reached without resort to rock climbing. , 302 people are known to have completed the list, though this includes some who did not climb Pillar Rock, which the authors permit. They have also announced that Tinside Rigg and Long Fell (added to the list in 2016) need not be climbed as they are in a restricted area of Warcop Artillery Range. The Wainwrights are mountains or hills