Aconcagua Aconcagua /ˌɑːkəŋˈkɑːɡwə/

noun

1. The highest mountain in the western hemisphere; located in the Andes in western Argentina (22,834 feet high)  ( Aconcagua )
   the highest mountain in the western hemisphere; located in the Andes in western Argentina (22,834 feet high)
    Climbers from around the world aspire to conquer Aconcagua, the tallest mountain in the western hemisphere.
   Climbers from around the world aspire to conquer Aconcagua, the tallest mountain in the western hemisphere.