Serra de Sicó
This hill belongs to the sedimentary shoreline of the Estremadura, located to the east of Pombal. Ith divides the river basins of the Soure and Nabão rivers and measures 7.5 km. It has, in its calcareous body, an original group of caves, grottos and cliffs. The vegetation of the foothills and on the hillsides has cultivated fields of wheat and legumes, pine woods, oak tree areas and a wide variety of plants.