Thyon from Sion

Thyon from Sion covers 20.6km and 1,593m of climbing, reaching 2,090m at the summit. A sustained 7.7% average gradient with a maximum of 11% makes this a steady and demanding ascent. The 29 hairpin bends define this climb — each switchback a landmark, each straight a test of resolve. At 2,090m, the summit rises above the treeline into an exposed, often windswept landscape. Located in Valais, Switzerland.