Rue de l'Observatoire

At just 0.9km, Rue de l'Observatoire is short but deceptively intense — 36m of elevation packed into a brief, breathless effort. The gradient averages 3.8% — manageable for most riders, though the cumulative effort builds. The 1 hairpin turns break up the climb, each one revealing a new perspective on the road ahead. Located in Wallonia, Belgium.