It connects the famous resort town of St. Moritz in the Engadin valley with the Italian-speaking Val Poschiavo, which ends in the Italian town of Tirano in Valtellina.
Det forbinder St. Moritz i Engadindalen med det ligeledes schweiziske, italiensk-talende Val Poschiavo, som ender i den Italienske by Tirano i Valtellina.