Pilares mudéjares de Cartaya Monument · Cartaya, Costa Occidental, Huelva Image of Cartaya, not of the place itself. System for collecting and channelling water dating from the 15th-16th centuries, of which the Pilar de Mogaya and the Pilar de la Dehesa are preserved and open to visitors (the Pilar de la Mezquita has disappeared). Photo: Hermandad Sacramental (CC BY-SA 4.0) What to see and do in Cartaya