This mountain range, at 553 meters altitude, belongs to the sedimentary edge of Estremadura, located east of Pombal. Situated east of Pombal, it divides the hydrographic basins of the Soure and Nabão rivers and measures 7.5 km in length. Its limestone formations contain an original set of caves, grottos, sinkholes, and escarpments. The vegetation at its base and on its slopes reveals cultivated fields of wheat and vegetables, pine forests, patches of oak groves, and a great variety of plants. It offers conditions suitable for climbing, paragliding, and various hiking trails.