The geological feature known for its rugged peaks in Patagonia is the Andes Mountains. This mountain range runs along the western edge of South America, extending through several countries, including Argentina and Chile. In Patagonia, the Andes are particularly dramatic, featuring sharp, jagged peaks and stunning glacial landscapes. The region is renowned for its natural beauty and outdoor activities, attracting adventurers and nature enthusiasts from around the world. Hiking, climbing, and photography are popular pursuits in this breathtaking area.