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 Altiplano is a high plateau region in west-central South America in the area where the Andes are the widest. The bulk of the Altiplano-Puna plateau lies in Bolivia but its northern parts lie in Peru and its southern parts lie in Chile and Argentina. The Altiplano Basin is a sedimentary basin located on the plateau.
The Altiplano-Puna volcanic complex is a major caldera and silicic ignimbrite volcanic field located in the southern portion of the Altiplano-Puna plateau, an elevated dry region in the central Andes that includes parts of Argentina, Bolivia and Chile. It includes two active geothermal fields: El Tatio and Sol de Manana.
The Andean Patagonian Forest spreads over steep elevations along a thin strip on both sides of the Andes Mountains in southern South America. These temperate forests, located in both southern Chile and Argentina, are the southernmost forests on earth.
The Andes Mountains are the longest continental mountain range in the world. They form a continuous highland along the western coast of South America. The Andean Region extends from Caribbean Venezuela, through the Atacama Desert to cold, windy and wet Cape Horn.
The Andino Norpatagónica Biosphere Reserve is located in Argentina's northwestern Patagonia. It comprises five national parks and numerous other protected areas. The landscape is mostly mountainous, dominated by the Andes in the west, with sub-Andean plains and plateaus in the east.
The Atacama Plateau is an arid high plateau in the Andes of northern Argentina and extending into Chile. The "Puna de Atacama" is a cold desolate Andean tableland in northwestern Argentina and adjacent regions of Chile.
The Atlantic Forest, or Mata Atlântica, runs along the coast of eastern and southeastern Brazil, stretching inland into Argentina and Paraguay. Although only a small part of the original forests remain, it is still one of the most diverse ecosystems on the planet.
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.
Cape Horn: Diego Ramírez Islands and Drake Passage (South America) The Editor Wed, 04/10/2019 - 12:48
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.
The Chilean Andes and Argentine Andes form most of the border between Chile and Argentina and make up the highest section of the Andes range. The Dry Andes and Wet Andes, along with the Patagonian Andes and Fuegian Andes, are climatic and glaciological subdivisons.