Circuito de senderismo de 52.90 km desde Bonnenuit. El desnivel positivo es de 5411 m, con una altitud entre 1403 m y 2687 m. Duración estimada: 20 h 10 min. Municipio de salida: Bonnenuit (Auvergne-Rhône-Alpes, France).
Esta ruta incluye 10 subidas significativas. Con un desnivel acumulado de 2108 m a lo largo de 12.75 km, con una pendiente media del 16.5%.
- Climb 1 (at km 4.49 km): +30 m over 390 m, average slope 7.7%
- Climb 2 (at km 8.40 km): +205 m over 1.05 km, average slope 19.5%
- Climb 3 (at km 11.40 km): +167 m over 777 m, average slope 21.5%
- Climb 4 (at km 17.54 km): +412 m over 2.08 km, average slope 19.9%
- Climb 5 (at km 27.94 km): +444 m over 3.16 km, average slope 14.1%
- Climb 6 (at km 30.03 km): +83 m over 628 m, average slope 13.2%
- Climb 7 (at km 32.63 km): +101 m over 534 m, average slope 18.9%
- Climb 8 (at km 36.26 km): +101 m over 607 m, average slope 16.6%
- Climb 9 (at km 41.25 km): +116 m over 733 m, average slope 15.8%
- Climb 10 (at km 45.21 km): +449 m over 2.80 km, average slope 16.0%
