Roman bridge of Nogar Monument · Castrillo de Cabrera, La Cabrera, León Image of Castrillo de Cabrera, not of the place itself. A masonry bridge of Roman origin that crosses the watercourse as it passes Nogar, one of the few remnants of the old road network that served the gold workings of the river Cabrera valley. Photo: Rodelar (CC BY-SA 4.0) What to see and do in Castrillo de Cabrera