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 Argentine Monte, or Low Monte, is an ecoregion of dry thorn scrub and grasslands in Argentina. It is one of the driest regions in the country. Human settlements are mainly near water supplies such as rivers or oases.
Aconcagua Provincial Park is a protected area in the Argentinean Andes, on the Chilean border. It is home to snow-capped Mount Aconcagua, South America’s tallest peak. With a summit elevation of 22,800 ft, Aconcagua is the highest mountain in both the Southern and Western Hemispheres.
The Ñacuñan Biosphere Reserve is located in the Argentine Province of Mendoza, in the plains at the foot of the Andes. The area consists of semi-arid upland grasslands, shrubby steppe and matorral, as well as shrubby and herbaceous woodlands and wetlands.
The Paraguay River is South America's fifth largest river, running from the Brazilian state of Mato Grasso to its confluence with the Paraná River in Argentina, of which it is the main tributary. It serves as part of the Paraguayan border with Argentina as well as with Brazil.
The Paraná River is the second longest river in South America. Running through Brazil, Paraguay and Argentina, it becomes an alluvial basin before emptying into the Río de la Plata. The Paraná Delta consists of several islands known as the Islas del Paraná.
The Patagonia Azul Biosphere Reserve encompasses an area with the greatest biodiversity on the Argentine coastline. The area includes important breeding, feeding and migration sites for various species. It also hosts the largest colony of Magellanic penguins in the world.
The Patagonian Desert, also known as the Patagonian Steppe, is a semiarid scrub plateau. The Patagonian steppe ecoregion, also known as the Magellanic Steppe, mainly covers the Patagonia region of Argentina to barely across the border into Chile.
Península Valdés in Argentina is home to significant biodiversity, including highly fragile terrestrial and marine ecosystems. The dynamic coastal zone features rocky cliffs, shallow bays, coastal lagoons and small islands.
Pereyra Iraola Provincial Park and Biosphere Reserve is located along the banks of the Río de la Plata, in the northeastern part of Argentina's Buenos Aires Province. It is the province's largest urban park and richest center of biodiversity.
Los Glaciares National Park is an area of exceptional natural beauty, with rugged, towering mountains and numerous glacial lakes. At its farthest end, three glaciers meet to dump their effluvia into the milky grey glacial water, launching massive igloo icebergs into the lake with thunderous splashes.