Festivities of invierno de Hoz de Jaca (San Antón) Activity · Hoz de Jaca, Alto Gállego, Huesca Image of Hoz de Jaca, not of the place itself. Festival of San Antón, on 17 January, in Hoz de Jaca, one of the three quiñones — together with Panticosa and El Pueyo de Jaca — into which the valle de Tena was administratively divided until the 19th century. Photo: Willtron (CC BY-SA 3.0) What to see and do in Hoz de Jaca