Extensive deciduous Cerrete associated with Beech, Chestnut, Maple and beautiful Holly shrubs dominate in the Reserve. It is characterized by the presence of the rare extrazonal Beech forests. The fauna is well represented, characterized by a resident avifauna, diurnal raptors (Golden Eagle, Peregrine Falcon, etc.), mammals and numerous endemic arthropods. Endemic Trout are present in the waters of Licopeti Stream.