Astental from Mörtschach

Astental from Mörtschach is one of cycling's great tests — 10km of sustained climbing, gaining 943m from base to summit. Averaging 9.5%, the road kicks to 16.4% at its steepest — a brutal pitch that demands respect. 14 hairpins punctuate the ascent, offering brief respite in the corners before the gradient bites again. The road reaches 1,877m — high enough to feel the altitude on tired legs. Located in Carinthia, Austria.