In this excellent viewpoint Ésera Valley , we found the remains of the Castle of Perarrúa Mon , accessible by trail from this town in the area, the in Aragonese Pyrenees. Dating from the S XI , this set is perched on the rock, in which the remains of the round tower , moat and wall are integrated. Also, inside the fortifications find the Church of San Clemente, the S. XVI. A few hundred yards from where we found the remains of the town of The Sun, which are in ruins .
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