Castles of Las Paleras and Pliego Monument · Pliego, Río Mula, Murcia Two 12th-century medieval castles stand in the municipal area of Pliego, in the Río Mula district. The castle of Pliego rises on a hill east of the town, overlooking the village; it has an almost triangular layout with seven towers and a main tower, plus an outer enclosure built of rammed earth. Although deteriorated, it has undergone recent restoration work. It was declared a Bien de Interés Cultural (Spain's highest level of heritage protection) on 7 August 1997, under code RI-51-0010065, as a fortification of Andalusi origin. Photo: Navarrete1953 (CC BY-SA 4.0) What to see and do in Pliego