كانتون أوري
From Chur the train follows back the course of the Rhine through the gorge of Ruinaulta and climbs slowly the valley toward Ilanz (), Disentis/Mustér () and Sedrun (). From Sedrun the line becomes steeper to finally reach its summit, the Oberalp Pass at . From there the train enters the Canton of Uri in Central Switzerland and continues down to Andermatt ().