The location of Nahuelbuta National Park, Nahuelbuta National Park comprises part of the communes of Angol, located 55 kilometers to the west and Purén in Region IX of Araucanía and in the communes of Arauco and Cañete in Region VIII of Bio Bio, The park is located in a sector of the Cordillera de Nahuelbuta and the Cordillera de la Costa between the rivers BíoBío and Imperial.