The closest train station to Tarifa is Algeciras some 20km away. Malaga also has a trainstation as well Cadiz and Sevilla.
Tarifa can be easily reached by bus or car from Algeciras.
Spain Rail Map - Train Routes in Spain
For more detailed information on Spain's rail system, see the RENFE website. Where you can get timetables and prices and find ticket offices and stations.
