Analbarrana tower (Arabic:البراني,romanized: al-barrānī,lit. 'exterior') is a defensive tower detached from the curtain wall and connected to it by a bridge or an arcade.[1] They were built by Muslims when they occupied the Iberian Peninsula between the 8th and the 15th centuries, especially from the 12th century during theAlmohad dynasty and mainly in the south of Spain and Portugal where the Islamic influence was the longest. In Spanish, they are calledtorre albarrana.[1]
The earliest albarrana towers were often pentagonal or octagonal in plan (e.g. Badajoz, Tarifa, Seville) but later a rectangular plan became the norm.[1] Having been built several meters in front of thecurtain wall, they were only accessible from there by a (bridged or arched) walkway containing a removable wooden section allowing the tower to be isolated from the wall if the tower were to be occupied by attacking forces. North of the Iberian peninsula, flanking towers usually remained a structural part of the (stone) curtain wall.
Albarrana towers are almost uniquely confined to the Iberian Peninsula. Even in other Muslim-controlled territories of the medieval world this defensive feature was not used,[1] except for a notable example in theCitadel of Aleppo in Syria.[2] The only known albarrana tower in England can be found atPontefract Castle. The castle now lies in ruins, but the remains of an albarrana tower called Swillington Tower are still visible just to the north of the castle's slighted curtain wall.[1]
Some known albarrana towers are:
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