Festivities of invierno de Novallas Activity · Novallas, Tarazona y el Moncayo, Zaragoza Image of Novallas, not of the place itself. Novallas's winter festival is held in the village of the encierro andando, a traditional running of fighting bulls on foot, in whose district a 1st-century-BC bronze plaque with Celtiberian text in Latin script was found. Photo: Jesús Baquedano (CC BY 2.5) What to see and do in Novallas