For the groups

Special trains groups


All year round by reservation, …

Discover the Chemin de Fer à Vapeur des 3 Vallées(Steam Railway of the 3 Valleys) in all seasons on board of a Steam Train specially reserved for you.

Benefit from special prices developed during group visits and combinations with other attractions and museums in the area.

Our line 132 which runs through the 3 Valleys, from Mariembourg to Treignes, is reserved for you during a journey.
This one is 40 minutes by steam train or 30 minutes by railcar (one way).