The railcar to St-Claude is crossing the "Morezviaduct", length 203m (666ft). This viaduct was constructed by the well-known French architect Paul Séjourne.

Well known are the viaducts in Morez. The railcar to Andelot is crossing the “Viaduct des Crottes”. The difference in altitude since the departure in the station is about 80 metres (262 ft).