Jun 13, 2018 - 1:03 AM
The Bernese Oberland pass will cover you from Bern. You'd need to purchase a regular ticket from Geneva Airport to Bern.
Similarly the BO pass will cover you from Gstaad. You'd need to purchase a regular ticket from Geneva Airport to Gstaad.
The Bern route would probably be easier if you have luggage.
Interlaken can be very busy as it attracts international groups who can be a little noisy and enjoy the occasional "push and shove".
There is a local bus through Interlaken West to Wildiswil that's a good alternative when using the metre gauge train towards Lauterbrunnen.
I enjoyed a wonderful holiday in 2015 based on Interlaken and using the BO pass.
Yes, it covers routes not included in the SHP. Some of those trips are very expensive if you buy regular tickets.
But, no matter what, you'll need a supplementary ticket from Kleine Scheidegg to Jungfaujoch. But it's worth it!
Have fun planning your adventure and enjoy some of the lesser known routes using the BO pass. The Axalp bus is an example.
No matter what, PPPP always applies: prior planning prevents poor performance.
Enjoy your travels!