Iberian Settlement of Puig de la Creu Curiosity · Castellar del Vallès, Vallès Occidental, Barcelona Image of Castellar del Vallès, not of the place itself. Fortified Iberian settlement excavated on the hill of Puig de la Creu, with remains dating from the 4th century BC. Photo: Xavigivax (CC BY-SA 3.0) What to see and do in Castellar del Vallès