Anello di escursionismo di 86.06 km con partenza da Chamonix. Il dislivello positivo è di 7254 m, con un'altitudine compresa tra 1254 m e 2922 m. Durata stimata: 37 h 40 min. Comune di partenza: Chamonix (Valais/Wallis, Schweiz/Suisse/Svizzera/Svizra).
Questa escursione comprende 11 salite significative. Con un dislivello positivo totale di 4493 m su 28.25 km, con una pendenza media del 15.9%.
- Climb 1 (at km 5.58 km): +868 m over 5.13 km, average slope 16.9%
- Climb 2 (at km 9.92 km): +243 m over 960 m, average slope 25.3%
- Climb 3 (at km 14.78 km): +110 m over 719 m, average slope 15.3%
- Climb 4 (at km 17.06 km): +232 m over 1.45 km, average slope 16.0%
- Climb 5 (at km 19.69 km): +224 m over 1.24 km, average slope 18.0%
- Climb 6 (at km 30.83 km): +96 m over 936 m, average slope 10.3%
- Climb 7 (at km 36.67 km): +534 m over 3.33 km, average slope 16.0%
- Climb 8 (at km 60.64 km): +1446 m over 10.27 km, average slope 14.1%
- Climb 9 (at km 78.69 km): +56 m over 490 m, average slope 11.4%
- Climb 10 (at km 87.30 km): +629 m over 3.32 km, average slope 18.9%
- Climb 11 (at km 92.54 km): +55 m over 397 m, average slope 13.9%
