The rerouting of the royal road via Despeñaperros Historical milestone · Viso del Marqués, Sierra Morena, Ciudad Real Image of Viso del Marqués, not of the place itself. Between 1767 and 1785 the royal road of Andalusia was laid out anew through the Despeñaperros gorge. El Viso, which until then controlled the pass of the sierra, lost the muleteer and post traffic that sustained its economy. 1767-1785 Photo: Raimundo Pastor (CC BY-SA 3.0) What to see and do in Viso del Marqués