Raw-milk cheeses of the Tena valley Food and drink · Biescas, Alto Gállego, Huesca Artisan cheeses made with raw sheep's and cow's milk from the flocks and herds of the valley, cured in a natural chamber and of intense aroma; they are sold at the autumn fair alongside jams and preserves of the comarca. Photo: Juan Emilio Prades Bel (CC BY 4.0) What to see and do in Biescas