The lamb of the Jalón plateaus Food and drink · Arcos de Jalón, Tierra de Medinaceli, Soria Image of Arcos de Jalón, not of the place itself. The sheep farming of these heights, raised among juniper woods and cereal stubble, supplies the wood-oven roast lamb that is the festival dish in the villages of the upper Jalón. Photo: Millars (CC BY-SA 4.0) What to see and do in Arcos de Jalón