Riffelberg is a railway station on the Gornergrat railway, a rack railway which links the resort of Zermatt with the summit of the Gornergrat. The station is situated west of the Gornergrat, in the Swiss municipality of Zermatt and canton of Valais, at an altitude of above mean sea level. It is the third highest station on the line and, considering only open-air railway stations, the third highest in Switzerland and Europe as well.