Grimselpass
Innertkirchen · Bern
26 km
km
1400 m
D+
5.4%
avg
10%
max ramp
26 km at 5.4% from Innertkirchen to 2,165 metres past dams, emerald reservoirs and glacier-polished granite. Often combined with Furka and Susten in the same three-pass loop.
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FAQ
When is the best time to climb Grimselpass?
From June to September, when the Alpine passes are clear of snow. Always check seasonal openings and any tolls before heading out.
What gearing do I need for Grimselpass?
An average gradient of 5.4% calls for easy gearing: a compact crankset and a wide cassette. On ramps beyond 15% even strong riders appreciate a 34x32 or easier.
What's the steepest section of Grimselpass?
The steepest ramp hits 10%, almost double the average gradient (5.4%): over 26 km total, that's where the climb is won or lost. Keep something in reserve for it.