Boo de Piélagos to Santander train with Cercanías

Renfe is Spain’s national train company operating freight and passenger on Spain’s extensive railway network as well as international routes to neighboring France and Portugal. Renfe has a wide range of ticket types to fit your budget like the Basic, Elige and Premium tickets. Renfe also offers discount cards like the Renfe Gold Card and +Renfe Youth Card 50 for qualified travelers. The Renfe AVE trains run at high speed and serve long-distance routes, Alvia trains combine high-speed and normal speed trains serving domestic routes, Altaria serves domestic routes into southern Spain, Euromed offers domestic routes along the Mediterranean coast, Avant trains serve regional commuter routes and Trenhotel offers night train routes.

Cercanías is the commuter rail service operated by Renfe, Spain's national railway company, connecting metropolitan areas across the country. Established in 1989, it aims to provide frequent and high-capacity transportation for daily commuters and travelers. Cercanías operates in 12 urban areas, including Madrid, Barcelona (where it's known as Rodalies), Valencia (Rodalia), and Bilbao (Aldiriak). The service integrates with other public transport systems like metro networks, simplifying urban and suburban travel. Ticket options include single, return, and 10-journey "Bonotren" tickets, with prices varying by zone. A notable feature is the "Combinado Cercanías," offering free transfers on Cercanías trains when purchasing long-distance or high-speed AVE tickets. Cercanías trains typically run from early morning until around midnight.