A mountain range with the highest peak at 653 meters, located between Estremoz and Redondo. It boasts a wide variety of plants and animals, such as the insectivorous plant known as sundew. Despite the immense eucalyptus plantation it witnessed in the 1950s and after its fire in 2003, it remains the lungs of several municipalities. It is also the site of the Convent of São Paulo, which has been located since 1182.