Festivities of Biescas Activity · Biescas, Alto Gállego, Huesca Image of Biescas, not of the place itself. Patron saint festivities of Biescas from 14 to 18 August in honour of Santa Elena, with a chupinazo rocket, a parade of floats and fire bulls. On 13 June the pilgrimage of San Antonio, patron of the town, is held, with a cheese competition from the Tena valley. Photo: Club Deportivo Altorricón (CC BY 2.0) What to see and do in Biescas