Grimselpass from Innertkirchen

The Grimselstrasse rises 26.3km through mountain forest into exposed high country, gaining 1,534m to 2,163m. Averaging 5.8%, the road kicks to 10.4% at its steepest — a testing gradient that demands respect. 15 hairpins punctuate the ascent, offering brief respite in the corners before the gradient bites again. At 2,163m, the summit rises above the treeline into an exposed, often windswept landscape. Located in Bern, Switzerland.