Rue des Prunelles from Mondorff

At just 0.8km, Rue des Prunelles from Mondorff is short but deceptively intense — 46m of elevation packed into a brief, breathless effort. Averaging 5.5%, the road kicks to 9.3% 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 Grevenmacher, Luxembourg.