Camino del Río Genil 18190 Cenes de la Vega Spain No Reviews 37° 9.429 N -3° 32.781 W 37.157147, -3.546346 At the Galp petrol station you can discharge grey waters and uplift potable water. As you enter the station, stay on the left and park next to the sign for campers. Ask the attendant. This service is for customers only!