Festivities of invierno de Ambel Activity · Ambel, Campo de Borja, Zaragoza Image of Ambel, not of the place itself. Ambel's winter festival is held in the town whose castle, held by the Templars from 1151, passed in 1308 to the Order of Saint John of Jerusalem, who turned it into the palace of their commandery. Photo: Jaraute (CC BY-SA 4.0) What to see and do in Ambel