The Los Alerces National Park is a national park

National Parks of Argentina

The National Parks of Argentina make up a network of 30 national parks in Argentina. The parks cover a very varied set of terrains and biotopes, from Baritú National Park on the northern border with Bolivia to Tierra del Fuego National Park in the far south of the continent .The creation of the...

 in Chubut Province

Chubut Province

Chubut a province in the southern part of Argentina situated between the 42nd parallel south and the 46th parallel south , the Andes range separating Argentina from Chile, and the Atlantic ocean...

, Argentina

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

, some 30 miles from Esquel

Esquel

According to the , the Esquel district had about 28,000 inhabitants, with one of the highest rates of growth in the province, mainly as result of the immigration of people from Buenos Aires, but also from other provinces. It has wide cement streets with sidewalks, and is clean and well maintained...

. It is a park of 2,630 square kilometres along the border with Chile

Chile

Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

, best known for the alerce

Fitzroya

Fitzroya is a monotypic genus in the cypress family.-Species:The single living species, Fitzroya cupressoides, is a tall, long-lived conifer native to the Andes mountains of southern Chile and Argentina, where it is an important member of the Valdivian temperate rain forests...

 (lahuán) trees (Fitzroya cupressoides) from which the park takes its name.

The park was created in 1937 in order to protect the alerce forest, and other typical examples of the flora of the Patagonia

Patagonia

Patagonia is a region located in Argentina and Chile, integrating the southernmost section of the Andes mountains to the southwest towards the Pacific ocean and from the east of the cordillera to the valleys it follows south through Colorado River towards Carmen de Patagones in the Atlantic Ocean...

n Andes

Andes

The Andes is the world's longest continental mountain range. It is a continual range of highlands along the western coast of South America. This range is about long, about to wide , and of an average height of about .Along its length, the Andes is split into several ranges, which are separated...

. The National Park has the largest alerce forest of Argentina. Alerce is one of the longest-living tree

Tree

A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...

s in the world; some in the park are around 3,000 years old, with many of them over 1,000 years. It grows very slowly and belongs to the family Cupressaceae

Cupressaceae

The Cupressaceae or cypress family is a conifer family with worldwide distribution. The family includes 27 to 30 genera , which include the junipers and redwoods, with about 130-140 species in total. They are monoecious, subdioecious or dioecious trees and shrubs from 1-116 m tall...

. The principal forest in the park, visited by tourists, is at Puerto Sagrario at the northern end of Lago Menéndez. Arrayán

Luma apiculata

Luma apiculata, is a species of tree in the genus Luma in the family Myrtaceae, native to the central Andes mountains between Chile and Argentina between 33 and 45° South Latitude. Synonyms include Myrtus luma Mol., Eugenia apiculata DC., Myrceugenia apiculata Niedenzu, and Myrceugenella...

 (Luma apiculata) trees can be seen along the Arrayanes river.

In the west of the park, there is high rainfall and Valdivian temperate rain forests

Valdivian temperate rain forests

The Valdivian temperate rain forests are a temperate broadleaf and mixed-forest ecoregion located on the west coast of southern South America, lying mostly in Chile and extending into a small part of Argentina. It is part of the Neotropic ecozone. The forests are named after the city of Valdivia...

 below the high Andes mountains. Much of the rest of the park is Patagonian forest similar to the Lanín

Lanín National Park

Lanín National Park is a national park of Argentina, located in the Neuquén Province, with forests of diverse tree varieties, mainly Fagaceae and conifers such as the lenga and the Araucaria, many species of which are not found elsewhere in Argentina....

 and Nahuel Huapi National Park

Nahuel Huapi National Park

Established in 1934, the Nahuel Huapi National Park is the oldest national park in Argentina. It surrounds Nahuel Huapi Lake in the foothills of the Patagonian Andes. The largest of the national parks in the region, it has an area of , or nearly 2 million acres...

s, with coihue

Coihue

Nothofagus dombeyi is a tree species native to southern Chile and the Andean parts of Argentine Patagonia. It grows from 35 to 45° South latitude between 700 and 1,200 m above mean sea level. It forms dense forests, like those found in the Los Alerces and Nahuel Huapi national parks...

s and lenga

Lenga Beech

Nothofagus pumilio is a deciduous tree or shrub in the Nothofagaceae family that is native to the southern Andes range, in the temperate forests of Chile and Argentina to Tierra del Fuego, from 35° to 56° South latitude. This tree is in the same genus as the Coihue. It regenerates easily after...

 in addition to the alerce.

There is a complex lake system with many rivers. The most important are the Menendez, Rivadavia, Futalaufquen

Lake Futalaufquen

Futalaufquen Lake is located in the Argentine province of Chubut. This name came from the Mapudungun language. "Futa" means great, and "laufquen" means lake.-Location:Lake Futalaufquen is located within the national park Los Alerces...

 and Krüger lakes, and the Frey river. A hydroelectric dam, providing energy to industry in Puerto Madryn

Puerto Madryn

Puerto Madryn is a city in the province of Chubut in the Argentine Patagonia. It is the head town of the Viedma Department, and has about 57,571 inhabitants according to the last census in 2001....

, has created the large artificial Lake Amutui Quimei, which empties into the Futaleufú River

Futaleufú River

The Futaleufú River is a river fed by the lakes in the Los Alerces National Park in Chubut Province, Argentina, crossing the Andes Mountains and the international border into Chile and opening into the Yelcho Lake....

 which flows on to Chile.

There is good walking and fishing in the park, and boat trips on the lakes. The Torrecillas glacier

Glacier

A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

can be seen from tour boats.