Circuito de senderismo de 89.72 km desde Villard-de-Lans. El desnivel positivo es de 8399 m, con una altitud entre 671 m y 1871 m. Duración estimada: 37 h 40 min. Municipio de salida: Villard-de-Lans (Auvergne-Rhône-Alpes, France).
Esta ruta incluye 12 subidas significativas. Con un desnivel acumulado de 4362 m a lo largo de 30.63 km, con una pendiente media del 14.2%.
- Climb 1 (at km 3.18 km): +264 m over 2.54 km, average slope 10.4%
- Climb 2 (at km 9.15 km): +69 m over 821 m, average slope 8.4%
- Climb 3 (at km 12.02 km): +197 m over 1.71 km, average slope 11.5%
- Climb 4 (at km 16.44 km): +288 m over 1.93 km, average slope 14.9%
- Climb 5 (at km 32.76 km): +774 m over 5.24 km, average slope 14.8%
- Climb 6 (at km 46.47 km): +910 m over 5.59 km, average slope 16.3%
- Climb 7 (at km 50.49 km): +48 m over 391 m, average slope 12.3%
- Climb 8 (at km 56.13 km): +58 m over 993 m, average slope 5.8%
- Climb 9 (at km 59.84 km): +361 m over 2.36 km, average slope 15.3%
- Climb 10 (at km 68.16 km): +234 m over 1.66 km, average slope 14.1%
- Climb 11 (at km 76.23 km): +778 m over 3.77 km, average slope 20.6%
- Climb 12 (at km 87.29 km): +381 m over 3.63 km, average slope 10.5%
