Festivities of invierno de Zaidín Activity · Zaidín, Bajo Cinca, Huesca Image of Zaidín, not of the place itself. The winter festivals of Zaidín, in the Bajo Cinca (Huesca), are held on 17 January in honour of San Antón, with a traditional pilgrimage in his honour. They are distinct from the village's main festival, dedicated to the Virgin of the Assumption on 15 August, and mark the start of the year's festive calendar. Photo: Own work (CC BY-SA 3.0) What to see and do in Zaidín