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
Sobaek Mountains They mark the traditional border between the Honam and Yeongnam regions. Sobaek Mountains The Sobaek Mountains are a mountain range cutting across the southern Korean peninsula. They split off from the Taebaek Mountains and trend southwest across the center of the peninsula. They are traditionally considered to reach their southwestern limit at Jirisan, which is also the highest peak of the range. Other famous mountains in the range include Songni Mountain, Joryeong Mountain, Gaya Mountain, Worak Mountain, and Sobaek Mountain itself. The peaks of the Sobaek Mountains are generally well over 1000 m above sea level. The Sobaek Mountains form