Festivities of Nuez de Ebro Activity · Nuez de Ebro, Comarca Central, Zaragoza Image of Nuez de Ebro, not of the place itself. Nuez de Ebro, in the Comarca Central de Zaragoza, celebrates two festivals throughout the year. The main festival takes place on the first weekend of October in honour of the Virgen del Rosario, joined by the festival of San Martín on 11 November. Both dates mark the town's festive calendar, with the Virgen del Rosario as the main patroness of the major autumn celebrations. Photo: Millars (CC BY-SA 4.0) What to see and do in Nuez de Ebro