Wines of the Tierra de León Designation of Origin Food and drink · Palacios de la Valduerna, La Bañeza, León Image of Palacios de la Valduerna, not of the place itself. The municipality lies within the area covered by this designation of origin, protected since 2007, whose reds and rosés are made mainly from the native prieto picudo grape in the lands of the south of the province. Photo: Roberto Abizanda (CC BY-SA 3.0) What to see and do in Palacios de la Valduerna