Tschiernockstrasse from Treffling

Tschiernockstrasse from Treffling is one of cycling's great tests — 8.9km of sustained climbing, gaining 908m from base to summit. Averaging 10.2%, the road kicks to 19.1% at its steepest — a brutal pitch that demands respect. 11 hairpins punctuate the ascent, offering brief respite in the corners before the gradient bites again. The road reaches 1,692m — high enough to feel the altitude on tired legs. Located in Carinthia, Austria.