BOB bus substitution
Between 31 Oct and 6 December all trains between Interlaken Ost and Lauterbrunnen are replaced by buses. Timetable of the remaining trains Zweilütschinen - Grindelwald are adapted.
Trains leave Grindelwald at xx.16 and xx.46
sbb.ch doesn't have the new train timings but fahrplan.search.ch has!
Many more interruptions here: