The Hermitage of Nuestra Señora del Castillo Monument · El Royo, El Valle y La Vega Cintora, Soria Image of El Royo, not of the place itself. A Late Gothic chapel raised in the Sierra del Portillo, beside the remains of an Iron Age castro; from its esplanade the Cuerda del Pozo reservoir and the whole Vega Cintora are commanded. Photo: Gartxoak (CC BY-SA 4.0) What to see and do in El Royo