This hill comprises a part of the municipalities of Arronches, Castelo de Vide, Marvão and Portalegre. It is quite varied in geological terms, with diverse vegetation and a quite varied fauna. There are also many historical vestiges from the Paleolithic to the Middle Ages. It is the highest massif to the south of the Tagus river, with an area of 31750 hectares.

Large tree, classified as public interest and dated 1839.