Protected Areas in South America

Bernardo O'Higgins National Park is currently the largest protected area in Chile. Along with Torres del Paine National Park, it occupies over 90% of the Southern Patagonian Icefield; the remainder of it, in Argentina, is included within Los Glaciares National Park.

The Bioma Pampa-Quebradas del Norte Biosphere Reserve is located in northern Uruguay and comprises a mosaic of different ecosystems, including a primary forest with subtropical jungle, the quebradas, which represents the southernmost vestige of the Atlantic Forest environment.

Bosque de Fray Jorge National Park and Biosphere Reserve lies close to the Atacama Desert, in the Cordillera de Talinay, part of the Chilean Coastal Range. Its forests and surrounding semiarid lands shelter almost all of the Mediterranean species typical of Chile.

The Bosque Seco Biosphere Reserve is located in southwestern Ecuador. The dry forests within the reserve are the most extensive and best preserved in the country; however, their rarity makes them a conservation priority.

The Bosques de Neblina - Selva Central Biosphere Reserve is located in the Amazon basin of central Peru, in a transition zone between the eastern slopes of the Andes and the Amazon. Harboring four emblematic Peruvian ecosystems, it is home to a high level of biological and cultural diversity.

The Bosques de Paz Transboundary Biosphere Reserve was formed by joining two existing biosphere reserves in Ecuador and Peru. The reserve includes seasonally dry forests that form the heart of the Endemic Region of Tumbes, one of the world's biodiversity hotspots.

The Bosques Templados Lluviosos de Los Andes Australes Biosphere Reserve is comprised of eight national protected areas in southern Chile. Hosting extraordinary biodiversity, it is classified as one of the largest and most ecologically intact forest remnants on Earth.

Brazilian Atlantic Islands: Fernando de Noronha and Atol das Rocas Reserves consist of a Marine National Park and a Biological Reserve off the coast of Brazil. It is home to a large concentration of tropical seabirds, and the waters are important breeding and feeding grounds.

Cabo de Hornos Biosphere Reserve is located in the South American continent's extreme south, in southern Chile. It is comprised of marine areas, islands, fjords, channels, forests, and moorland. The core areas are constituted by Cabo de Hornos National Park and Alberto de Agostini National Park.

Cabo de Hornos National Park is the world's southernmost national park, located 12 hours by boat from Puerto Williams in the southern headland of Tierra del Fuego in southern Chile; the only place in the world where the waters of the Pacific and Atlantic Oceans meet.