Natural Cider Festival of Nava Activity · Nava, Oviedo, Asturias It is held every July and has been declared a festival of national tourist interest since 1969. It brings together a pourers' competition, tastings and the contest that awards the best natural cider, in a town that has lived from its cider presses for generations. Photo: Wikipedia / Wikimedia Commons (CC BY-SA) What to see and do in Nava