Allée de Lairbois from Yvoir

At just 1.2km, Allée de Lairbois from Yvoir is short but deceptively intense — 113m of elevation packed into a brief, breathless effort. Averaging 9.3%, the road kicks to 15.4% at its steepest — a brutal pitch that demands respect. The 1 hairpin turns break up the climb, each one revealing a new perspective on the road ahead. Located in Wallonia, Belgium.