Open continuously from mid-June to the end of September.
Closed in winter.
Motorway A6 Bern direction Zweisimmen, 1 km after the Simmenfluhtunnel turn left direction Diemtigtal. Follow the Diemtigtal road into the valley for 19 kilometres in the direction of Schwenden, Grimmialp. Then follow the signs to the Grimmiwasser power station on foot for 2 hours.
By train, bus & co:
Travel by train to Oey-Diemtigen. Then by PostBus to the stop «Grimmialp, Hotel Spillgerten» (terminus). From here, follow the signs to Kraftort Grimmiwasser on foot for two hours.
Alternative with chairlift:
From Grimmialp, the Grimmialpberg cable car takes you up to the mountain station at weekends. From here, the Berghaus Grimmi can be reached on foot in one hour. The weather is relevant for the cable car operation, call 033 684 12 92 for information.
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