Festivities of invierno de Mesones de Isuela Activity · Mesones de Isuela, Aranda, Zaragoza Image of Mesones de Isuela, not of the place itself. Mesones de Isuela's winter festival is held beside the parish church, which preserves a 14th-century polychrome wooden ceiling with beams, corbels and boards decorated with coats of arms and animals, built at the same time as the castle under the patronage of the Luna family. Photo: Xufanc (CC BY-SA 3.0) What to see and do in Mesones de Isuela