It is located at km 128.67 at 1432 m above sea level at the exit from the Sagliains valley between the villages and stations of Susch and Lavin in the Lower Engadine.

Sagliains station was opened to timetabled traffic with the Vereina tunnel on November 22, 1999.

Sagliains station's main business is the operation of the Vereina car shuttle train to Klosters Selfranga.

As a rare example of an interchange-only station, it only has an island platform without access from the outside.

As of the December 2023 timetable change,[update] the following services stop at Sagliains:[4][5]