The country that hosts the majority of the Andes Mountains is Chile. This mountain range stretches along the western coast of South America, extending through seven countries including Argentina and Peru. The Andes are known for their stunning peaks, diverse ecosystems, and distinct cultural landscapes, such as the Atacama Desert and Patagonia. The mountains play a significant role in Chile's climate, geography, and biodiversity. They are also a popular destination for adventure tourism, offering activities like skiing, hiking, and mountaineering, contributing to both local economies and environmental conservation efforts.