Circuito de senderismo de 50.20 km desde Bonnenuit. El desnivel positivo es de 5080 m, con una altitud entre 1403 m y 2615 m. Duración estimada: 19 h. Municipio de salida: Bonnenuit (Auvergne-Rhône-Alpes, France).
Esta ruta incluye 11 subidas significativas. Con un desnivel acumulado de 1851 m a lo largo de 11.52 km, con una pendiente media del 16.1%.
- Climb 1 (at km 4.52 km): +30 m over 390 m, average slope 7.7%
- Climb 2 (at km 8.12 km): +205 m over 1.05 km, average slope 19.5%
- Climb 3 (at km 11.13 km): +167 m over 777 m, average slope 21.5%
- Climb 4 (at km 17.27 km): +412 m over 2.08 km, average slope 19.9%
- Climb 5 (at km 27.64 km): +444 m over 3.10 km, average slope 14.3%
- Climb 6 (at km 29.74 km): +83 m over 628 m, average slope 13.2%
- Climb 7 (at km 32.34 km): +101 m over 534 m, average slope 18.9%
- Climb 8 (at km 35.97 km): +101 m over 607 m, average slope 16.6%
- Climb 9 (at km 40.94 km): +116 m over 733 m, average slope 15.8%
- Climb 10 (at km 43.10 km): +128 m over 1.08 km, average slope 11.9%
- Climb 11 (at km 44.39 km): +64 m over 542 m, average slope 11.8%
