Location
- Located in the village of Mourão, in the Alentejo region, Évora district.
- Positioned on the left bank of the Guadiana River, offering views of the plain, Monsaraz Castle to the north, and the border with Spain to the east.
Classification
- Classified as a Property of Public Interest since July 18, 1957.
History
Origins
Little is known about the initial occupation; it was important during the Christian Reconquista.
Middle Ages
- Entrusted to the Order of Hospitallers after the Portuguese conquest.
- First Charter of Foral granted in 1226 by Gonçalo Egas to promote settlement.
- New charters granted in 1254 by D. Afonso III and in 1296 by D. Dinis, with reforms to the castle.
- Supported the Master of Avis in the crisis of 1383-1385.
Renaissance
- Featured in the "Book of Fortresses" by Duarte de Armas (c. 1509).
- Reforms under D. Manuel I with architects Diogo and Francisco de Arruda.
- Construction of the main church in the 16th century.
Philippine Period and Restoration
- Supported Philip II of Spain in the succession crisis of 1580.
- During the Restoration of independence, Pedro de Mendonça Furtado raised the banner of D. João IV.
- Reforms in the 17th century by Nicolau de Langres, with bulwarks and ravelins, of which few vestiges remain.
Characteristics
Walls
- Medieval wall made of schist, marble, and granite.
- Six quadrangular towers.
- Doors flanked by turrets, some with ogival Gothic arches.
Keep
- In Gothic style, with a door to the parade ground.
Interior
- Vestiges of the Guard House and the old Town Hall.
17th Century Reforms
- Inclusion of bulwarks and ravelins.

