From Interlaken Ost station or Wilderswil to Lauterbrunnen via the Bernese Oberland Railway. From Lauterbrunnen, take the classic Wengernalp Railway to Kleine Scheidegg. At Kleine Scheidegg station, change to the Jungfrau Railway, which takes you via the Eiger Glacier to the Jungfraujoch – Top of Europe.