I have a swiss travel pass, for mountain railway like Jungfrau region, Mt, Titlis and Gornergrett all this mountain until which station I can travel free by swiss travel pass.
Hi vkiratsata,
You can download the Swiss Travel Pass map to find information like this. Mount Titlis and Gornergrat are 50% off all the way. Jungfraujoch is free until Wengen and Grindelwald, and 25% off the remainder of the trip.