Areas preserved in their original natural state, be it because their flora and fauna are representative of a certain area, because they are of great scientific interest or because of their splendid natural beauty.

The National Parks authorities are in charge of ensuring order, control and to assist the visitor to any of the Parks.

Any kind of commercial utilization is strictly forbidden, unless it is connected to tourism, and in that case it is cautiously regulated.

Laguna Blanca NP (Neuqun)
Lakes in the Patagonian steppe grasslands concentrate waterfowl of which the black-necked swan is emblematic. 1940; 11,263 ha. Declared a RAMSAR Site in 1994.

Lann NP (Neuqun)
The last remnants of the southern Araucaria forests here stand guard against the approaches of the Lann volcano. 1937; 379,000 ha.

Los Arrayanes NP (Neuqun)
A limpid stand of the singular Arrayan trees offers one of the most attractive experiences of the southern woods. 1971; 1,840 ha.

Nahuel Huapi NP (Neuqun and Ro Negro)
The first national park of the country is still the attraction it always has been, and is home to endangered species such as the Huemul and the Southern Otter. 1934; 709,890 ha.

Lago Puelo NP (Chubut)
The dampest and densest of the Patagonian woods here grows on Argentine territory. 1971; 23,700 ha. (from 1937 till 1971 it was an adjunct of Los Alerces NP.)

Los Alerces NP (Chubut)
Pristine woods and scenic lakes where the ciclopean Lahuan ("Alerce") grows. Threatened for its valuable wood, these thousand-year-old specimens are truly majestic. 1937; 263,000 ha.

Francisco P. Moreno NP (Santa Cruz)
The wonderfully blue lakes highlight the imposing mountains crowned with southern woods, neighboring on the Patagonian steppe. The habitat of the surviving Huemul. 1937; 115,000 ha.

Los Glaciares NP (Santa Cruz)
The Moreno Glacier, which grinds into Lake Argentino, is one of the most commanding natural sights of the country. A World Heritage Site. 1937; 726,927 ha.

Tierra del Fuego NP (Tierra del Fuego)
The southern most national park in the country which protects important woods of the Southern Beach and coastal areas of the Beagle Channel. 1960; 63,000 ha.

Monte Len (Future) NP (Santa Cruz)
This is the first National Park on the Atlantic coast, with colonies of South American Sea-lions, Magellan Penguins and coastal birds; it includes important archaeological and paleontological deposits as well as a sector of the Patagonian steppe. It will also include some sea territory, as planned.