The founding of the monastery of Casbas Historical milestone · Casbas de Huesca, Hoya de Huesca, Huesca Image of Casbas de Huesca, not of the place itself. Oria de Pallars founded in 1173, with the support of the bishop of Huesca, a Cistercian nunnery under the invocation of Nuestra Señora de la Gloria; in the 17th century it was ruled by the writer in Aragonese Ana Francisca Abarca de Bolea. 15 de marzo de 1173 Photo: Ricardo Sanz (CC BY 3.0) What to see and do in Casbas de Huesca