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, or features of geological or ...

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

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

. The vegetation is dominated by

Andean The Andes, Andes Mountains or Andean Mountains (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long, wide (widest between 18°S – 20°S l ...

steppe with scattered Araucaria 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 ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

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