Ferdinando Gaspard, Marino Tremonti, and Claudio Zardini hold the record for the first ascent upObispo, the highest peak in El Altar, which is1,590 meters higher than the second-highest peak Monja Grande.
July 7, 1963, Ferdinando Gaspard, Marino Tremonti, Claudio Zardini Obispo 5,319 m (17,451 ft) Monja Grande 5,160 m (16,929 ft) 
