The founding of the castle-abbey of Montearagón Historical milestone · Quicena, Hoya de Huesca, Huesca Sancho Ramírez camped around 1085 on the hill that dominates the plain and ordered a fortress-abbey raised there to tighten the siege on Muslim Huesca; the church was begun the following year and housed royal burials. mayo de 1085 Photo: Millars (CC BY-SA 3.0 es) What to see and do in Quicena