Forca d'Acero from Rosanisco

The SR509 rises 27.3km through wooded valleys and open mountainside, gaining 1,175m to 1,537m. Averaging 4.3%, the road kicks to 6.5% at its steepest — a notable steepening that demands respect. The 3 hairpin turns break up the climb, each one revealing a new perspective on the road ahead. The road reaches 1,537m — high enough to feel the altitude on tired legs. Located in Latium, Italy.