Festivities of Alquézar Activity · Alquézar, Somontano de Barbastro, Huesca Image of Alquézar, not of the place itself. The patronal festivities of Alquézar are celebrated from 11 to 14 August in honor of San Hipólito; the town also celebrates pilgrimages to the hermitage of San Antonio in January and to the hermitage of la Dulcis in May. Photo: Wikipedia / Wikimedia Commons (CC BY-SA) What to see and do in Alquézar