Circuito de senderismo de 233.50 km desde Mont Mézenc Nord. El desnivel positivo es de 12420 m, con una altitud entre 132 m y 1569 m. Duración estimada: 84 h 30 min. Municipio de salida: Mont Mézenc Nord (Auvergne-Rhône-Alpes, France).
Esta ruta incluye 33 subidas significativas. Con un desnivel acumulado de 5535 m a lo largo de 71.37 km, con una pendiente media del 7.8%.
- Climb 1 (at km 2.73 km): +64 m over 848 m, average slope 7.6%
- Climb 2 (at km 12.44 km): +150 m over 2.64 km, average slope 5.7%
- Climb 3 (at km 22.75 km): +232 m over 3.26 km, average slope 7.1%
- Climb 4 (at km 32.77 km): +135 m over 1.08 km, average slope 12.6%
- Climb 5 (at km 35.86 km): +34 m over 388 m, average slope 8.8%
- Climb 6 (at km 39.88 km): +52 m over 846 m, average slope 6.2%
- Climb 7 (at km 50.85 km): +39 m over 418 m, average slope 9.3%
- Climb 8 (at km 63.62 km): +312 m over 2.76 km, average slope 11.3%
- Climb 9 (at km 70.01 km): +45 m over 501 m, average slope 9.0%
- Climb 10 (at km 78.98 km): +406 m over 3.10 km, average slope 13.1%
- Climb 11 (at km 89.17 km): +132 m over 1.81 km, average slope 7.3%
- Climb 12 (at km 96.02 km): +341 m over 2.84 km, average slope 12.0%
- Climb 13 (at km 99.33 km): +30 m over 350 m, average slope 8.6%
- Climb 14 (at km 102.45 km): +48 m over 748 m, average slope 6.4%
- Climb 15 (at km 109.93 km): +147 m over 2.45 km, average slope 6.0%
- Climb 16 (at km 112.72 km): +68 m over 745 m, average slope 9.1%
- Climb 17 (at km 119.61 km): +31 m over 633 m, average slope 4.9%
- Climb 18 (at km 132.29 km): +270 m over 2.82 km, average slope 9.6%
- Climb 19 (at km 137.00 km): +170 m over 3.50 km, average slope 4.9%
- Climb 20 (at km 144.82 km): +345 m over 4.32 km, average slope 8.0%
- Climb 21 (at km 149.63 km): +114 m over 1.37 km, average slope 8.3%
- Climb 22 (at km 157.58 km): +324 m over 3.12 km, average slope 10.4%
- Climb 23 (at km 162.47 km): +361 m over 3.37 km, average slope 10.7%
- Climb 24 (at km 169.53 km): +151 m over 1.75 km, average slope 8.6%
- Climb 25 (at km 174.46 km): +86 m over 718 m, average slope 12.0%
- Climb 26 (at km 183.51 km): +386 m over 5.18 km, average slope 7.5%
- Climb 27 (at km 190.09 km): +116 m over 3.55 km, average slope 3.3%
- Climb 28 (at km 201.82 km): +81 m over 962 m, average slope 8.4%
- Climb 29 (at km 213.82 km): +192 m over 3.83 km, average slope 5.0%
- Climb 30 (at km 218.98 km): +78 m over 2.78 km, average slope 2.8%
- Climb 31 (at km 220.91 km): +100 m over 1.15 km, average slope 8.7%
- Climb 32 (at km 227.05 km): +264 m over 3.94 km, average slope 6.7%
- Climb 33 (at km 232.83 km): +231 m over 3.61 km, average slope 6.4%
