Beginning the expedition in the tree lined streets of Mendoza, the team headed into the heart of the Andes on the way to the foot of Aconcagua. We avoided the busier Ruta Normal and instead followed the Vacas Valley on the approach to the mountain, gradually getting introduced to the thin mountain air along the way. Three days of trekking, fording rivers, and navigating twisting valleys brought us to the base of Aconcagua's hidden east side where...