Castelo de Alvor, Medieval fortress ruins in Alvor, Portugal
The Castle of Alvor is a medieval stone fortress ruin standing in the center of town, built originally as a defensive position overlooking the water. The structure still displays walls made of irregular stone blocks laid horizontally, with several sections rising above 5 meters (16 feet) tall.
The castle was conquered in 1189 by King Sancho I with help from Danish and German crusaders who had passed through Lisbon's port. This victory became part of the larger effort to reclaim southern territories for Christian rule.
The site marks a turning point in Alvor's identity, connected to the town's recapture during the Christian Reconquista. Locals and visitors pass through this space regularly, mixing historical reflection with everyday use.
The site is centrally located in Alvor near where rivers meet the sea, making it easy to reach on foot. The setting helps you understand how the fortress related to the water routes and the town's layout.
The fortress controlled access to three different rivers at once - the Arao, Alvor, and Farelo - which served as major routes inland. This control over multiple waterways made it exceptionally valuable for defending against attacks.
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