Mercedario is the fourth highest mountain in South America, behind Aconcagua, Ojos del Salado, and Monte Pissis. Mercedario is a huge eroded volcano, located less than fifty miles north of Aconcagua. Each of the two peaks dominates the view from the other's slopes. Mercedario, like Aconcagua, is a gently sloping mountain, and is a relatively easy climb.
Aconcagua is the highest mountain in the Western hemisphere, located in western Argentina, near the Chile border. Aconcagua is a gigantic mass of rock, not picturesque in the traditional Alpine sense, but magnificent by its size alone. It dominates the sky west of Santiago, Chile's capital city, and is visible from the Pacific coast, 100 miles away. Though the mountain's summit crest and radiating ridges are largely windswept free of snow, large glaciers fill the valleys on all but the southern and western flanks. ... read more