The Albula Railway (German: Albulabahn; Italian: Ferrovia dell'Albula) is a single track metre gauge railway line forming part of the so-called core network of the Rhaetian Railway (RhB), in the Canton of Graubünden, Switzerland. It links Thusis on the Hinterrhein (697 m (2,287 ft) above sea level) with the spa resort of St.