The huge glacier is fed by the so-called Southern Patagonian Ice Field, which extends along the Andes Mountains between Argentina and Chile. The ice mass of the Perito Moreno glacier has a depth of about 700 meters, and its front is about 5 kilometers wide. It rises about 74 meters above the water, constituting a massive glacier piece that rests on Lake Argentino.

Los Glaciares National Park, where the Perito Moreno Glacier is located, is a UNESCO World Heritage Site since 1981. The park covers an area of more than 7,000 square kilometers, and has other impressive glaciers, such as the Upsala Glacier, the Spegazzini Glacier or the Viedma Glacier, among others. There are also numerous lagoons, rivers, and mountains, making it an ideal tourist destination for nature and adventure sports lovers.

The Perito Moreno Glacier is known for its spectacular rupture, which occurs from time to time and attracts thousands of visitors. The rupture process, also known as "glacier breakup", consists of the rapid release of large volumes of water accumulated in one of the arms of Lake Argentino, which erodes and destroys the front of the glacier until its level is balanced with that of the rest of the lake.

With them, the water pressure on the glacier is such that huge glacier masses collapse, falling into the lake waters with powerful booms. This event is unique in the world for its magnitude and spectacularity, due to the specific orography where the glacier is encased, which causes its advance to generate a natural dam that accumulates excess water from the lake in one of its arms. It is an impressive spectacle that attracts tourists from all over the world, however, its periodicity is variable and depends on the advance of the glacier itself.

One of the most interesting activities that can be performed, in addition to contemplating its spectacular magnitude, is to walk on the glacier. Visitors can take a walk on the ice with specialized equipment, accompanied by expert guides. The experience is, of course, unique, and offers a different way to appreciate and learn more about the Perito Moreno Glacier.

Another natural attraction of the mountains and glaciers of the sub-Antarctic region is its abundant flora and fauna. The orography is dominated by forests of lengas, sour cherry trees and various colorful shrubs. Its local fauna includes the huemul, a large deer, and the puma, while in the steppe areas guanacos and "cimarronas cows" can be found.

Birds include the Patagonian black woodpecker, the southern parrot, the maroon-crowned hummingbird, the rufous-crowned woodpecker and the condor. Aquatic environments are home to birds such as black-necked swans and various types of ducks. To the east, where the forests give way to the steppe, live guanacos, gray foxes, Patagonian skunks and maras. The predominant vegetation includes ñire, Magellanic coihue, Guaitecas cypress and various shrubs and grasses, with a notable presence of the tasty fruit bush called calafate.

Los Glaciares National Park has a large number of trails for hiking and excursions, and activities such as kayaking, rafting, ice climbing, among others, are also available. For visitors looking for a quieter experience, the park also has numerous picnic and camping areas, where you can enjoy the breathtaking views of the glacier and the surrounding nature.

In the region you can also find numerous estancias, which are typical Patagonian country houses, where you can enjoy the culture and history of the region. Many of these estancias offer lodging and food typical of the region, providing visitors with a unique and authentic experience.

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