Birven via Route de la Clouse

At just 1.4km, Birven via Route de la Clouse is short but deceptively intense — 81m of elevation packed into a brief, breathless effort. The average gradient of 5.8% disguises ramps of 12.8% — the kind of gradient that turns plans into prayers. The 1 hairpin turns break up the climb, each one revealing a new perspective on the road ahead. Located in Wallonia, Belgium.