Castle of los Murones de Gestalgar Monument · Gestalgar, Los Serranos, Valencia Castle of Arab origin, probably built in the 12th century during the reign of Ibn Mardanish, known locally as Los Murones and situated atop a crag above the left bank of the Turia river, next to the town centre of Gestalgar. It was built in rammed earth and, after the Christian conquest, was modified to adapt to artillery; its lords soon abandoned it when they moved to palatial residences in the village. Today two circular defence towers survive, along with the remains of the crenellated keep and a cistern in the former parade ground, as well as three escape tunnels towards the town and the orchards, now sealed; the perimeter wall has almost entirely disappeared. It has been declared Bien de Interés Cultural (Spain's highest level of heritage protection) since 2001. Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in Gestalgar