Southern Patagonian Ice Field in the area, among which are the Upsala (765 km), Viedma (978 km) and Perito Moreno (258 km) in the Los Glaciares National Park in Argentina, and the Pío XI Glacier or Bruggen Glacier (1,265 km, the largest in area and longest in the southern hemisphere outside of Antarctica), O'Higgins (820 km), Grey (270 km) and Tyndall (331 km) in Chile. The glaciers going to the west flow into the fjords of the Patagonian channels of the Pacific Ocean; those going to the East flow into the Patagonian lakes Viedma and Argentino, and eventually, through the rivers "de la Leona"
Patagonian Desert desert iguana, western ribbon snake, and various species of eagle and hawk are a few of the variety of animals living in the region. The flora of the region is quite common for its climate and includes several species of desert shrubs like "Acantholippia" and "Benthamiella" and tuft grasses like "Stipa" and "Poa". Aquatic grasses and larger flora exist on the outskirts of the desert and around the ephemeral lakes that form from the Andes' runoff. The desert has hosted various indigenous peoples in its past, as evidenced by cave paintings in the area. The earliest inhabitants of the desert