Anello di escursionismo di 84.46 km con partenza da Crêt de l'Aigle. Il dislivello positivo è di 5453 m, con un'altitudine compresa tra 447 m e 1697 m. Durata stimata: 34 h 30 min. Comune di partenza: Crêt de l'Aigle (Auvergne-Rhône-Alpes, France).
Questa escursione comprende 12 salite significative. Con un dislivello positivo totale di 3937 m su 25.67 km, con una pendenza media del 15.3%.
- Climb 1 (at km 568 m): +49 m over 339 m, average slope 14.4%
- Climb 2 (at km 9.68 km): +53 m over 345 m, average slope 15.4%
- Climb 3 (at km 25.09 km): +813 m over 3.75 km, average slope 21.7%
- Climb 4 (at km 27.58 km): +63 m over 371 m, average slope 17.0%
- Climb 5 (at km 39.47 km): +518 m over 3.64 km, average slope 14.2%
- Climb 6 (at km 45.02 km): +409 m over 1.91 km, average slope 21.4%
- Climb 7 (at km 55.14 km): +119 m over 1.68 km, average slope 7.1%
- Climb 8 (at km 57.84 km): +33 m over 624 m, average slope 5.3%
- Climb 9 (at km 65.22 km): +613 m over 4.96 km, average slope 12.4%
- Climb 10 (at km 67.95 km): +273 m over 1.85 km, average slope 14.8%
- Climb 11 (at km 72.95 km): +389 m over 2.48 km, average slope 15.7%
- Climb 12 (at km 84.38 km): +605 m over 3.71 km, average slope 16.3%
