Anello di escursionismo di 173.58 km con partenza da Lyon 05. Il dislivello positivo è di 5369 m, con un'altitudine compresa tra 162 m e 925 m. Durata stimata: 58 h 10 min. Comune di partenza: Lyon 05 (Auvergne-Rhône-Alpes, France).
Questa escursione comprende 15 salite significative. Con un dislivello positivo totale di 3063 m su 39.82 km, con una pendenza media del 7.7%.
- Climb 1 (at km 18.04 km): +45 m over 606 m, average slope 7.4%
- Climb 2 (at km 31.41 km): +87 m over 2.80 km, average slope 3.1%
- Climb 3 (at km 66.47 km): +414 m over 5.89 km, average slope 7.0%
- Climb 4 (at km 74.86 km): +208 m over 3.05 km, average slope 6.8%
- Climb 5 (at km 81.83 km): +185 m over 2.50 km, average slope 7.4%
- Climb 6 (at km 91.64 km): +453 m over 4.21 km, average slope 10.8%
- Climb 7 (at km 108.77 km): +71 m over 3.56 km, average slope 2.0%
- Climb 8 (at km 155.02 km): +79 m over 803 m, average slope 9.8%
- Climb 9 (at km 161.82 km): +265 m over 3.01 km, average slope 8.8%
- Climb 10 (at km 167.20 km): +287 m over 2.48 km, average slope 11.6%
- Climb 11 (at km 179.35 km): +230 m over 2.89 km, average slope 8.0%
- Climb 12 (at km 182.85 km): +98 m over 1.05 km, average slope 9.4%
- Climb 13 (at km 189.28 km): +441 m over 3.86 km, average slope 11.4%
- Climb 14 (at km 194.14 km): +166 m over 1.89 km, average slope 8.8%
- Climb 15 (at km 238.98 km): +34 m over 1.23 km, average slope 2.8%
