Articulated, partly lowfloor cogwheel railcar Bhe 4/6 # 3082 of the Gornergratbahn (GGB), built by StadlerRail, is running up the mountain between Riffelalp and Riffelberg as supplementary train from Zermatt to the Gornergrat due to high passenger frequency. In this time of the year, the Gornergratbahn has a timetable with departures every 48 minutes only.