Circuito de senderismo de 55.44 km desde Aiguille de Chambeyron. El desnivel positivo es de 5447 m, con una altitud entre 1555 m y 3045 m. Duración estimada: 26 h 40 min. Municipio de salida: Aiguille de Chambeyron (Piemonte, Italie).
Esta ruta incluye 12 subidas significativas. Con un desnivel acumulado de 3741 m a lo largo de 21.35 km, con una pendiente media del 17.5%.
- Climb 1 (at km 3.55 km): +140 m over 771 m, average slope 18.2%
- Climb 2 (at km 5.10 km): +54 m over 409 m, average slope 13.2%
- Climb 3 (at km 6.69 km): +106 m over 524 m, average slope 20.2%
- Climb 4 (at km 9.34 km): +264 m over 1.07 km, average slope 24.6%
- Climb 5 (at km 14.90 km): +149 m over 691 m, average slope 21.6%
- Climb 6 (at km 18.27 km): +262 m over 1.74 km, average slope 15.1%
- Climb 7 (at km 20.46 km): +124 m over 666 m, average slope 18.6%
- Climb 8 (at km 22.00 km): +196 m over 660 m, average slope 29.7%
- Climb 9 (at km 25.05 km): +108 m over 849 m, average slope 12.7%
- Climb 10 (at km 34.28 km): +860 m over 3.75 km, average slope 22.9%
- Climb 11 (at km 52.98 km): +1266 m over 9.77 km, average slope 13.0%
- Climb 12 (at km 54.07 km): +212 m over 437 m, average slope 48.5%
