Circuito de senderismo de 68.87 km desde Barbières. El desnivel positivo es de 6690 m, con una altitud entre 163 m y 1291 m. Duración estimada: 28 h 10 min. Municipio de salida: Barbières (Auvergne-Rhône-Alpes, France).
Esta ruta incluye 13 subidas significativas. Con un desnivel acumulado de 2961 m a lo largo de 22.61 km, con una pendiente media del 13.1%.
- Climb 1 (at km 3.81 km): +183 m over 1.16 km, average slope 15.7%
- Climb 2 (at km 8.80 km): +170 m over 956 m, average slope 17.8%
- Climb 3 (at km 17.03 km): +486 m over 4.04 km, average slope 12.0%
- Climb 4 (at km 25.06 km): +261 m over 1.59 km, average slope 16.4%
- Climb 5 (at km 31.35 km): +298 m over 1.84 km, average slope 16.2%
- Climb 6 (at km 32.92 km): +57 m over 332 m, average slope 17.2%
- Climb 7 (at km 40.99 km): +717 m over 4.99 km, average slope 14.4%
- Climb 8 (at km 44.31 km): +55 m over 422 m, average slope 13.0%
- Climb 9 (at km 46.07 km): +85 m over 1.07 km, average slope 7.9%
- Climb 10 (at km 51.45 km): +139 m over 1.55 km, average slope 9.0%
- Climb 11 (at km 55.42 km): +220 m over 2.62 km, average slope 8.4%
- Climb 12 (at km 61.19 km): +86 m over 551 m, average slope 15.6%
- Climb 13 (at km 64.62 km): +204 m over 1.48 km, average slope 13.8%
