Anello di escursionismo di 123.75 km con partenza da Sainte-Marguerite. Il dislivello positivo è di 3855 m, con un'altitudine compresa tra 2 m e 317 m. Durata stimata: 40 h 40 min. Comune di partenza: Sainte-Marguerite (Bretagne, France).
Questa escursione comprende 12 salite significative. Con un dislivello positivo totale di 1775 m su 33.98 km, con una pendenza media del 5.2%.
- Climb 1 (at km 37.23 km): +612 m over 10.46 km, average slope 5.9%
- Climb 2 (at km 42.64 km): +105 m over 2.58 km, average slope 4.1%
- Climb 3 (at km 45.72 km): +64 m over 1.70 km, average slope 3.8%
- Climb 4 (at km 52.77 km): +89 m over 1.50 km, average slope 5.9%
- Climb 5 (at km 63.64 km): +74 m over 1.16 km, average slope 6.4%
- Climb 6 (at km 68.04 km): +74 m over 1.16 km, average slope 6.4%
- Climb 7 (at km 75.08 km): +126 m over 2.56 km, average slope 4.9%
- Climb 8 (at km 81.04 km): +69 m over 1.02 km, average slope 6.8%
- Climb 9 (at km 85.35 km): +77 m over 1.60 km, average slope 4.8%
- Climb 10 (at km 90.63 km): +70 m over 1.49 km, average slope 4.7%
- Climb 11 (at km 94.53 km): +62 m over 1.80 km, average slope 3.5%
- Climb 12 (at km 161.02 km): +353 m over 6.96 km, average slope 5.1%
