ArcticTropic flies by Cerro Aconcagua, 22841 ft , 6962m, the highest mountain in the Western HemisphereLast Friday,February 3, ArcticTropic was returning to Chile after business meetings in Argentina. The Mendoza to Santiago flight was on a midsummer’s day. One can see the Argentina – Chile border post on the highway below, then Portillo Ski area in Chile, beside the bright blue Lago de Las Incas.