Boyau de Biez / Champ du Curé from Biez

At just 0.8km, Boyau de Biez / Champ du Curé from Biez is short but deceptively intense — 48m of elevation packed into a brief, breathless effort. Averaging 6%, the road kicks to 11.1% at its steepest — a testing gradient that demands respect. It's over before the legs know what happened — a short, explosive effort where momentum is everything. Located in Wallonia, Belgium.