It is situated in Langwies, lower down the hillside from the centre of the village.

Two notable railway viaducts (or bridges) carry the line over deep valleys near to Langwies.

The latter viaduct is listed as a Swiss heritage site of national significance.

[1] It is 284m long (though some sources state it as 287m) and, like the former viaduct, is a pioneering reinforced concrete structure.

As of the December 2023 timetable change,[update] the following services stop at Langwies GR:[2]