El marquesado de Guadalcázar y el ferrocarril Historical milestone · Guadalcázar, Valle Medio del Guadalquivir, Córdoba In 1609 Guadalcázar was made a marquisate for Diego Fernández de Córdoba. Centuries later, in 1885, the La Carlota-Valchillón railway line arrived, which ceased operating in 1971. 1609; ferrocarril 1885-1971 Photo: Herrzzog (CC BY-SA 4.0) What to see and do in Guadalcázar