Bois d'Antoing from Grandrieux

At just 1.8km, Bois d'Antoing from Grandrieux is short but deceptively intense — 75m of elevation packed into a brief, breathless effort. Averaging 4.2%, the road kicks to 8% at its steepest — a notable steepening that demands respect. It's over before the legs know what happened — a short, explosive effort where momentum is everything. Located in Wallonia, Belgium.