Shrine of el Castillo y poblado de Hisn Yakka Monument · Yecla, Altiplano, Murcia On top of the Cerro del Castillo stands the shrine of the Virgen del Castillo, beside the remains of the old Islamic fortified settlement of Hisn Yakka, from the 11th century, recently opened to visitors with walkways and interpretation panels. Photo: Enrique Íñiguez Rodríguez (Qoan) (CC BY-SA 3.0) What to see and do in Yecla