Barrage de la Grande Dixence from Sion

Barrage de la Grande Dixence from Sion covers 24.9km and 1,641m of climbing, reaching 2,139m at the summit. Averaging 6.6%, the road kicks to 11.4% at its steepest — a testing gradient that demands respect. The 23 hairpin bends define this climb — each switchback a landmark, each straight a test of resolve. At 2,139m, the summit rises above the treeline into an exposed, often windswept landscape. Located in Valais, Switzerland.