Circuito de senderismo de 149.76 km desde Chamonix. El desnivel positivo es de 16817 m, con una altitud entre 720 m y 2983 m. Duración estimada: 64 h. Municipio de salida: Chamonix (Valais/Wallis, Schweiz/Suisse/Svizzera/Svizra).
Esta ruta incluye 28 subidas significativas. Con un desnivel acumulado de 7619 m a lo largo de 42.95 km, con una pendiente media del 17.7%.
- Climb 1 (at km 6.05 km): +122 m over 3.22 km, average slope 3.8%
- Climb 2 (at km 11.52 km): +168 m over 1.03 km, average slope 16.2%
- Climb 3 (at km 14.37 km): +145 m over 684 m, average slope 21.2%
- Climb 4 (at km 35.09 km): +598 m over 3.17 km, average slope 18.9%
- Climb 5 (at km 45.70 km): +167 m over 778 m, average slope 21.5%
- Climb 6 (at km 65.71 km): +587 m over 3.12 km, average slope 18.8%
- Climb 7 (at km 76.90 km): +633 m over 1.74 km, average slope 36.3%
- Climb 8 (at km 85.78 km): +32 m over 613 m, average slope 5.2%
- Climb 9 (at km 99.13 km): +46 m over 296 m, average slope 15.5%
- Climb 10 (at km 105.20 km): +250 m over 1.81 km, average slope 13.8%
- Climb 11 (at km 109.18 km): +422 m over 2.39 km, average slope 17.6%
- Climb 12 (at km 125.50 km): +85 m over 726 m, average slope 11.7%
- Climb 13 (at km 129.31 km): +643 m over 2.02 km, average slope 31.9%
- Climb 14 (at km 137.27 km): +577 m over 2.70 km, average slope 21.3%
- Climb 15 (at km 138.32 km): +155 m over 461 m, average slope 33.7%
- Climb 16 (at km 142.95 km): +190 m over 746 m, average slope 25.5%
- Climb 17 (at km 147.80 km): +77 m over 454 m, average slope 17.0%
- Climb 18 (at km 150.37 km): +38 m over 242 m, average slope 15.7%
- Climb 19 (at km 152.76 km): +62 m over 324 m, average slope 19.1%
- Climb 20 (at km 165.13 km): +494 m over 4.36 km, average slope 11.3%
- Climb 21 (at km 170.99 km): +182 m over 592 m, average slope 30.7%
- Climb 22 (at km 173.35 km): +178 m over 1.11 km, average slope 16.0%
- Climb 23 (at km 174.57 km): +109 m over 426 m, average slope 25.6%
- Climb 24 (at km 177.43 km): +41 m over 131 m, average slope 31.2%
- Climb 25 (at km 187.99 km): +339 m over 1.66 km, average slope 20.4%
- Climb 26 (at km 192.52 km): +176 m over 983 m, average slope 17.9%
- Climb 27 (at km 213.62 km): +628 m over 4.15 km, average slope 15.1%
- Climb 28 (at km 222.30 km): +475 m over 3.00 km, average slope 15.9%
