Festivities of Loarre Activity · Loarre, Hoya de Huesca, Huesca Image of Loarre, not of the place itself. Loarre celebrates its fiestas mayores in honor of Santiago on 24 and 25 July, at the foot of its Romanesque castle, and a second patronal festivity for San Demetrio on 8 October. Pilgrimages to Santa Águeda and to the hermitage of Santa Marina are also traditional. Photo: Wikipedia / Wikimedia Commons (CC BY-SA) What to see and do in Loarre