Castle of Alcobaça

See the ruins of the medieval Castle of Alcobaça, in Portugal.

Castle of Alcobaça
Castle of Alcobaça
© Celestino Manuel

The medieval Castle of Alcobaça is located west of the Monastery of Alcobaça.

This castle was built by D. Afonso Henriques, in 1147, on the ruins of an ancient fortification of the 6th century, as a defense of the important region of Lisbon. After being assaulted in repeated occasions during the Reconquest, D. Sancho ordered its reconstruction to give a shelter to monks and population in case of attack.


Due to the damages provoked by some earthquakes in 1329, 1422 and 1563, it ended up being used as a prison. In the 18th century, the earthquake of 1755 exacerbated its situation, but it wasn’t until 1950 that part of the castle started to be rebuilt.

Nowadays it has seven square turrets and a Moorish watchtower, known as “Torre dos sete sobrados”.

More information:


Rua do Castelo Alcobaça, Alcobaça.

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