Castle of Cola (Portuguese: Castelo de Cola) is an Iron Age residence and Islamic redoubt in the Portuguese Algarve, classified as a National Monument. The castro is part of a larger archaeological park of Castro da Cola, that includes various Megalithic and Calcolithic monuments, including necropolae of the Bronze and Iron Ages. The Castro-era polygonal plan, included reinforced blocks, with an entrance controlled by tower. The remaining defensive structure was circled by walls, with still exist, on the neighboring pasture-lands protecting the castle.
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