[1] The earliest registers indicated that a foral was passed by royal knight Gil Martins and his wife, D. Maria João in 1262.

[1] This hypothesis is founded in the donation of the town of Terena to the Order of São Bento de Avis, which could have been the impetus for the site to be renovated from a previous garrison (although it highly dubious).

[1] In 1482, King John II named Nuno Martins da Silveira as alcalde and, in the first decades of the 16th century, this redoubt was amplified during public works, that left behind several visible structures.

[2] A couple of years later, the keep tower was remodelled again, this time by Francisco de Arruda, who altered the systems of access: he constructed a barbican, that forced the visitor to follow a path that was less direct to the main road.

[2] The castle is located in a rural part of Terena, over a pronounced hilltop overlooking the town, dominating the extreme edge of the ravine and reservoir of Lucefece and surrounding landscape.

[1] The rectangular keep or prison tower, approximately two storeys in height, has several vaulted compartments that are lit by cruciform slits in the walls.