The mountain range that is home to the Aconcagua peak is the Andes. Aconcagua is the highest mountain in South America, standing at 6,961 meters (22,838 feet) above sea level. The Andes stretch along the western edge of South America, spanning seven countries. This mountain range is known for its stunning landscapes, diverse ecosystems, and rich cultural heritage. The Andes also play a crucial role in the climate and hydrography of the region, providing vital water resources and habitats for various species.