Circuito de senderismo de 109.57 km desde Vieu. El desnivel positivo es de 6501 m, con una altitud entre 235 m y 1530 m. Duración estimada: 45 h 50 min. Municipio de salida: Vieu (Auvergne-Rhône-Alpes, France).
Esta ruta incluye 17 subidas significativas. Con un desnivel acumulado de 4819 m a lo largo de 44.39 km, con una pendiente media del 10.9%.
- Climb 1 (at km 8.24 km): +854 m over 7.18 km, average slope 11.9%
- Climb 2 (at km 10.22 km): +72 m over 967 m, average slope 7.5%
- Climb 3 (at km 20.49 km): +148 m over 1.50 km, average slope 9.9%
- Climb 4 (at km 35.56 km): +501 m over 7.35 km, average slope 6.8%
- Climb 5 (at km 41.07 km): +136 m over 2.04 km, average slope 6.7%
- Climb 6 (at km 49.58 km): +65 m over 1.45 km, average slope 4.5%
- Climb 7 (at km 54.09 km): +64 m over 1.42 km, average slope 4.5%
- Climb 8 (at km 58.27 km): +46 m over 519 m, average slope 8.9%
- Climb 9 (at km 65.23 km): +548 m over 3.82 km, average slope 14.4%
- Climb 10 (at km 77.69 km): +290 m over 4.02 km, average slope 7.2%
- Climb 11 (at km 81.22 km): +48 m over 779 m, average slope 6.2%
- Climb 12 (at km 90.51 km): +117 m over 1.29 km, average slope 9.0%
- Climb 13 (at km 94.15 km): +92 m over 1.01 km, average slope 9.2%
- Climb 14 (at km 98.41 km): +134 m over 1.49 km, average slope 9.0%
- Climb 15 (at km 101.36 km): +99 m over 911 m, average slope 10.9%
- Climb 16 (at km 106.56 km): +1001 m over 3.88 km, average slope 25.8%
- Climb 17 (at km 120.87 km): +604 m over 4.74 km, average slope 12.7%
