Cerro Castillo National Park

Cerro Castillo National Park is a nature reserve of Chile located in the Aysén del General Carlos Ibáñez del Campo Region, south of Coyhaique. The park is named after Cerro Castillo, its highest mountain and main attraction. The Carretera Austral passes through the park.
Mammals in the park include South Andean deer, guanacos, pumas and canines of the genus "Lycalopex". Notable birds that inhabit in the area are the austral parakeet and the Andean condor. Lenga is the most common tree species in the reserve.
The northern portion of the park is part of Aisén River drainage basin, whereas that the southern portion is included in the basin area of Ibáñez River.
The former national reserve was reclassified as national park in 2017.