I purchased a senior 1st class global pass. When I planned my trip from Zurich Airport to Grindelwald, the trip from Zurich Airport to Interlaken Ost is covered, but the train from Interlaken Ost to Grindelwald is not included in the pass, which I can still add it to my trip. Can I pay and buy the ticket from Interlaken Ost to Grindelwald at the Frankfurt Flughafen station or should I buy it only after arriving at Interlaken Ost?
Best answer by thibcabe
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