Named a national reserve in 1970, Cerro Castillo was recategorized a National Park as part of an agreement between the Chilean government, under President Michelle Bachelet and Tompkins Conservation in 2018.[2]
The northern portion of the park is part of Aisén Riverdrainage basin, whereas that the southern portion is included in the basin area of Ibáñez River.
Rewilding
Cerro Castillio National Park is a key part of the National Huemul Corridor, a public-private initiative that seeks to reestablish the huemul population using wildlife corridors in key conservation areas along the Route of Parks of Patagonia. Partners for this project include Rewilding Chile and CONAF.[3]