Hasette via Rue Haute Voie

At just 0.9km, Hasette via Rue Haute Voie is short but deceptively intense — 53m of elevation packed into a brief, breathless effort. The average gradient of 5.6% disguises ramps of 15.9% — the kind of gradient that turns plans into prayers. It's over before the legs know what happened — a short, explosive effort where momentum is everything. Located in Wallonia, Belgium.