The beech forest of the Urbión ravine Nature · Santa Cruz del Valle Urbión, Montes de Oca, Burgos Image of Santa Cruz del Valle Urbión, not of the place itself. From the recreation area of Zarcia a path of some eight kilometres sets out that climbs the ravine of the Urbión among beeches, covering half a thousand metres of height difference until it touches 1,500 metres of altitude. Photo: Rowanwindwhistler (CC BY-SA 4.0) What to see and do in Santa Cruz del Valle Urbión