post an imposing donjon of quadrangular plant, which stands at about twenty-five meters high, divided internally into two floors above the parapet line, both covered by rib vault warhead. The lower floor served as a prison. the marble in the wedges and the Gothic windows was used. The access door to the tower is in warhead. This tower protects the access gate to the north, in pointed arch. On the south side, the Beja gate determines an internal road axis in a straight line connecting the two ports. The set has three doors, including the Clock Gate and Outeiro door. In the main square opens up a cistern and can identify the remains of the Chapel of Saint Vincent and the ruins of a palace. The medieval village about, did not survive to us. The defense of the castle was complemented by a barbican, that are conserved still important sections in the south, north and west, composed of curtain reinforced by turrets of quadrangular. It is this Barbican rebuilt by King Manuel I, which corresponds to Gothic door surmounted by overlapping real coats. References Portel Portel National monuments in Évora District