Festivities of invierno de Añón de Moncayo Activity · Añón de Moncayo, Tarazona y el Moncayo, Zaragoza Image of Añón de Moncayo, not of the place itself. Añón de Moncayo celebrates its winter festival beside a five-towered castle that fell into Castilian hands in 1363, during the War of the Two Pedros. The first documentary mention of the place dates from 1140, when the bishop of Tarazona donated its church to the Order of Saint John of Jerusalem. Photo: Txemari. (Navarra). (CC0) What to see and do in Añón de Moncayo