Alto Biobío National Reserve is a

nature reserve A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, funga, or features of geologic ...

located in the easternmost portion of Upper Bío-Bío River basin, in the

La Araucanía Region LA most frequently refers to Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Ange ...

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

. The vegetation is dominated by

Andean The Andes ( ), Andes Mountains or Andean Mountain Range (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long and wide (widest between 18°S ...

steppe In physical geography, a steppe () is an ecoregion characterized by grassland plains without closed forests except near rivers and lakes. Steppe biomes may include: * the montane grasslands and shrublands biome * the tropical and subtropica ...

with scattered

Araucaria ''Araucaria'' (; original pronunciation: .ɾawˈka. ɾja is a genus of evergreen coniferous trees in the family Araucariaceae. While today they are largely confined to the Southern Hemisphere, during the Jurassic and Cretaceous they were glo ...

trees. Alto Biobío National Reserve is part of the

Araucarias Biosphere Reserve The Araucarias Biosphere Reserve is located in the Andes range, in south-central Chile. It comprises the Conguillío National Park and the Alto Bío-Bío National Reserve. The main feature of this Biosphere Reserve is the massive presence of Arauc ...

.UNESCO
- Description at UNESCO World Biosphere Reserve The reserve is crossed by the route that connects Chile and

Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...

via Pino Hachado Pass.

References

Protected areas of Araucanía Region National reserves of Chile 1912 establishments in Chile Protected areas established in 1912 {{SouthAm-protected-area-stub