Trivigno from Tirano

Trivigno from Tirano is one of cycling's great tests — 15km of sustained climbing, gaining 1,253m from base to summit. The average gradient of 8.4% disguises ramps of 17.4% — the kind of gradient that turns plans into prayers. 13 hairpins punctuate the ascent, offering brief respite in the corners before the gradient bites again. The road reaches 1,696m — high enough to feel the altitude on tired legs. Located in Lombardy, Italy.