The juniper groves of the Jalón Nature · Arcos de Jalón, Tierra de Medinaceli, Soria Image of Arcos de Jalón, not of the place itself. Between the 827 metres of the valley floor and the 1,290 of the heights of Judes extend masses of Spanish juniper included in the Natura 2000 Network, one of the areas of greatest ecological value of the most extensive municipality of Soria. Photo: Millars (CC BY-SA 4.0) What to see and do in Arcos de Jalón