Aconcagua
Aconcagua (), with a summit elevation of , is the highest mountain in both the Southern and Western Hemispheres. It is located in the Andes mountain range, in the Mendoza Province, Argentina, and lies northwest of its capital, the city of Mendoza, about from San Juan Province and from the international border with Chile. The mountain itself lies entirely within Argentina, immediately east of Argentina's border with Chile. Its nearest higher neighbor is Tirich Mir in the Hindu Kush, away. It is one of the Seven Summits.
Cerro Bayo
Cerro Bayo is a mountain of the Andes range located 9 km from the town Villa La Angostura, Neuquén Province, Argentina, within the Valdivian temperate rain forests, in an area with numerous lakes.
The mountain hosts a ski area with 25 runs and 16 lifts. In 2007, the 2nd South American Ski Mountaineering Championship was carried out on the Cerro Bayo.