Anello di escursionismo di 122.87 km con partenza da Pont-d'Ain. Il dislivello positivo è di 4437 m, con un'altitudine compresa tra 217 m e 650 m. Durata stimata: 48 h. Comune di partenza: Pont-d'Ain (Auvergne-Rhône-Alpes, France).
Questa escursione comprende 22 salite significative. Con un dislivello positivo totale di 3241 m su 47.42 km, con una pendenza media del 6.8%.
- Climb 1 (at km 791 m): +52 m over 712 m, average slope 7.3%
- Climb 2 (at km 12.30 km): +163 m over 1.76 km, average slope 9.3%
- Climb 3 (at km 17.31 km): +194 m over 1.89 km, average slope 10.2%
- Climb 4 (at km 24.13 km): +97 m over 2.08 km, average slope 4.7%
- Climb 5 (at km 28.07 km): +195 m over 1.21 km, average slope 16.1%
- Climb 6 (at km 33.26 km): +172 m over 1.35 km, average slope 12.7%
- Climb 7 (at km 41.42 km): +282 m over 2.59 km, average slope 10.9%
- Climb 8 (at km 46.59 km): +171 m over 2.12 km, average slope 8.1%
- Climb 9 (at km 49.72 km): +41 m over 908 m, average slope 4.5%
- Climb 10 (at km 54.60 km): +55 m over 1.29 km, average slope 4.3%
- Climb 11 (at km 57.73 km): +62 m over 857 m, average slope 7.2%
- Climb 12 (at km 62.51 km): +201 m over 2.03 km, average slope 9.9%
- Climb 13 (at km 66.58 km): +76 m over 1.18 km, average slope 6.4%
- Climb 14 (at km 73.44 km): +59 m over 843 m, average slope 7.0%
- Climb 15 (at km 76.15 km): +68 m over 1.03 km, average slope 6.6%
- Climb 16 (at km 109.57 km): +167 m over 1.80 km, average slope 9.3%
- Climb 17 (at km 115.56 km): +247 m over 2.07 km, average slope 11.9%
- Climb 18 (at km 121.55 km): +216 m over 3.03 km, average slope 7.1%
- Climb 19 (at km 125.96 km): +212 m over 2.73 km, average slope 7.8%
- Climb 20 (at km 148.08 km): +399 m over 15.06 km, average slope 2.7%
- Climb 21 (at km 151.29 km): +47 m over 440 m, average slope 10.7%
- Climb 22 (at km 155.13 km): +65 m over 422 m, average slope 15.4%
