Argentina is the second largest country in South America after Brazil and the eighth largest country in the world. With the Andes forming its western border with Chile, the country's varied geography can be grouped into four geographic regions or sectors and seven natural regions or ecosystems.
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The Caatinga of Brazil is the largest dry forest region in South America and also one of the richest dry forests in the world, providing habitat for an array of flora and fauna species. It is home to 26 million people and over 2000 species of plants and animals.
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.
Cabo Orange National Park is located in Amapá state, on the coastline of northern Brazil and close to the border with French Guiana. The park is characterized by flooded grasslands, unique in the Amazon region, as well as by mangroves, which act as "fish nurseries."
Cajón del Maipo is a canyon located in the Andean region of Santiago, Chile. The canyon valley is surrounded by some of the highest peaks in the region including the San José, Maipo and Marmolejo volcanos. The canyon is a popular tourist destination, especially for trekking.
Calilegua is the largest national park in the Argentine Northwest, covering a biologically diverse environment. It is also the largest protected area in Argentina dedicated to the conservation of subtropical evergreen mountain rainforests known as Southern Andean Yungas.
Campos Amazônicos National Park is located in northwestern Brazil. It stretches through the state of Amazonas, crossing into the neighboring states of Rondônia and Mato Grosso. It is part of an ecological corridor intended to contain agricultural expansion into the central Amazon.
Campos Gerais National Park is located in the south-central region of the state of Paraná in southern Brazil. The terrain here is rugged. The area's relief contains escarpments, canyons, faults and cracks, hills, caves, underground drains and depressions.
The near-pristine Serranía de la Macarena National Park is one of Colombia's best-protected. It contains the rivers, streams and waterfalls collectively known as Caño Cristales and commonly called the "River of Five Colors" or the "Liquid Rainbow."
Cape Horn is the southernmost headland of the Tierra del Fuego archipelago of southern Chile. The Diego Ramírez Islands are a small group of islands located southwest of Cape Horn. The Drake Passage is the body of water between Cape Horn and the South Shetland Islands of Antarctica.