RunThrough Ultra Orsieres October 2026

The Orsières, Champex-Lac, Sembrancher region hosts European trail running. Trails here follow parts of the Tour du Mont Blanc, leading through forests, past lakes, and up to ridgelines. From Orsières, paths ascend to Champex-Lac, then descend into rugged terrain. Expect forest paths, technical mountain sections, and meadows. It's a venue for runners and adventurers, offering mountain air and a chance to join a legacy.