Cour de Pierreux via Rue de Hallembaye

At just 1km, Cour de Pierreux via Rue de Hallembaye is short but deceptively intense — 52m of elevation packed into a brief, breathless effort. Averaging 5.1%, the road kicks to 8.6% 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.