Zinal from Sierre

The Route rises 24.4km through wooded valleys and open mountainside, gaining 1,125m to 1,673m. The average gradient of 4.6% disguises ramps of 11.2% — the kind of gradient that turns plans into prayers. 11 hairpins punctuate the ascent, offering brief respite in the corners before the gradient bites again. The road reaches 1,673m — high enough to feel the altitude on tired legs. Located in Valais, Switzerland.