Laguna Blanca 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 the west of the , close to the town of Zapala

Zapala

Zapala is a city in the Patagonian province of Neuquén, Argentina with about 32,000 inhabitants according to the .The city is located at the geographic center of the province at the confluence of national and provincial roads, on a route to the Andes and Chile...

.

The park around the lagoon

Lagoon

A lagoon is a body of shallow sea water or brackish water separated from the sea by some form of barrier. The EU's habitat directive defines lagoons as "expanses of shallow coastal salt water, of varying salinity or water volume, wholly or partially separated from the sea by sand banks or shingle,...

 was created in 1940 to protect the lagoon and particularly the population of black-necked swan

Black-necked Swan

The Black-necked Swan is the largest waterfowl native to South America. Males are and weigh 4.5-6.7 kg ; females are and weigh 3.5-4.4 kg . The wingspan ranges from . The body plumage is white with a black neck, head and greyish bill. It has a red knob near the base of the bill and...

s (Cygnus melancoryphus). It has an area of 112.5 km². The lagoon is situated in 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 steppe

Steppe

In physical geography, steppe is an ecoregion, in the montane grasslands and shrublands and temperate grasslands, savannas, and shrublands biomes, characterized by grassland plains without trees apart from those near rivers and lakes...

, surrounded by hills and gorges.

It has important aquatic

Aquatic animal

An aquatic animal is an animal, either vertebrate or invertebrate, which lives in water for most or all of its life. It may breathe air or extract its oxygen from that dissolved in water through specialised organs called gills, or directly through its skin. Natural environments and the animals that...

 bird

Bird

Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

 fauna, of several species and in great number.
Near the lagoon is the Salamanca cave, historically inhabited by humans, where rock paintings, typical of northern Patagonia, can be seen. Other mapuche

Mapuche

The Mapuche are a group of indigenous inhabitants of south-central Chile and southwestern Argentina. They constitute a wide-ranging ethnicity composed of various groups who shared a common social, religious and economic structure, as well as a common linguistic heritage. Their influence extended...

 and prehistoric human artefacts have been found in the park.