Los Glaciares National Park World Heritage Site
Parc national de Los Glaciares, Argentina
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Los Glaciares National Park (Spanish: Parque Nacional Los Glaciares) is a federal protected area in Santa Cruz Province, Argentina. The park covers an area of 726,927 ha (7,269.27 km2; 2,806.68 sq mi), making it the second largest national park in the country. Established on 11 May 1937, it houses a representative sample of the Magellanic Subpolar Forest and western Patagonian Steppe biodiversity in good state of conservation. In 1980 it was declared a World Heritage Site by UNESCO.
The park's name refers to the giant ice cap in the Andes range that feeds 47 large glaciers, of which 13 flow towards the Atlantic Ocean. The ice cap is the largest outside of Antarctica and Greenland. In other parts of the world, glaciers start at a height of at least 2,500 m (8,200 ft) above mean sea level, but due to the size of the ice cap, these glaciers begin at only 1,500 m (4,900 ft), sliding down to 200 m (660 ft) Los Glaciares borders Torres del Paine National Park to the south in Chilean territory.
Los Glaciares, of which 30% is covered by ice, can be divided in two parts, each corresponding with one of the two elongated big lakes partially contained by the park. Lake Argentino, 1,466 km2 (566 sq mi) and the largest in Argentina, is in the south, while Lake Viedma, 1,100 km2 (420 sq mi), is in the north. Both lakes feed the Santa Cruz River that flows down to Puerto Santa Cruz on the Atlantic. Between the two halves is a non-touristic zone without lakes called Zona Centro.
The northern half consists of part of Viedma Lake, the Viedma Glacier and a few minor glaciers, and a number of mountains very popular among fans of climbing and trekking, including Mount Fitz Roy and Cerro Torre.
The southern part has, as well as a number of smaller ones, the major glaciers which flow into Lake Argentino: Perito Moreno Glacier, Upsala Glacier, and Spegazzini Glacier. Typical excursion boats travel between icebergs to visit Bahía Onelli, and the otherwise inaccessible Spegazzini and Upsala. The Perito Moreno is reachable by land.
The mountains hold most of the humidity from the Pacific Ocean, letting through only the ice coldness (annual average of 7.5 °C (45.5 °F)) and creating the arid Patagonian steppe on the Argentine side of the range. This area is habitat for ñandúes, guanaco, cougar, and gray fox, the latter who has suffered from the invasion of the cattle industry and are endangered. The guanaco, while not endangered, has had a dramatic decline in historic population due to large scale grazing of livestock throughout much of Patagonia. There are over 1000 species of birds in the area (condors, eagles, and others), but only 100 have been registered. Between the ice and the Patagonian steppe there is a fertile area of Magellanic subpolar forests composed mainly of lengas and guindos, but also ñires. Within these more hospitable areas also live huemul deer and torrent duck.
Los Glaciares is a major attraction for international tourists. Starting points of tours are the village of El Calafate at the shore of Lake Argentino but outside the park, where the park's administration has its headquarters, and El Chaltén village in the northern part of the park, at the foot of the Fitz Roy. Other touristic points in the park include Lago del Desierto and Lago Roca.
Iceberg at Lake Argentino's northern arm
Iceberg floating in the Argentino Lake near the Upsala Glacier
Aerial view of Cerro Torre (left) and Mount Fitz Roy
Part of the 100 meter wall of the Spegazzini glacier falling
Partial satellite view of the park
The Viedma Glacier flowing into Lake Viedma (NASA)
The boundaries and names shown, and the designations used on this map do not imply official endorsement or acceptance by the United Nations.
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