Circuito de senderismo de 89.50 km desde Gros-Fays. El desnivel positivo es de 4259 m, con una altitud entre 188 m y 430 m. Duración estimada: 31 h 50 min. Municipio de salida: Gros-Fays (Wallonie, België / Belgique / Belgien).
Esta ruta incluye 15 subidas significativas. Con un desnivel acumulado de 1941 m a lo largo de 26.02 km, con una pendiente media del 7.5%.
- Climb 1 (at km 2.99 km): +149 m over 1.74 km, average slope 8.6%
- Climb 2 (at km 8.89 km): +168 m over 2.14 km, average slope 7.9%
- Climb 3 (at km 13.82 km): +217 m over 2.07 km, average slope 10.5%
- Climb 4 (at km 18.40 km): +140 m over 1.70 km, average slope 8.2%
- Climb 5 (at km 23.08 km): +116 m over 756 m, average slope 15.3%
- Climb 6 (at km 27.30 km): +35 m over 308 m, average slope 11.4%
- Climb 7 (at km 35.79 km): +314 m over 3.20 km, average slope 9.8%
- Climb 8 (at km 43.80 km): +46 m over 1.86 km, average slope 2.5%
- Climb 9 (at km 50.39 km): +86 m over 1.63 km, average slope 5.3%
- Climb 10 (at km 55.00 km): +165 m over 2.05 km, average slope 8.1%
- Climb 11 (at km 59.61 km): +82 m over 1.54 km, average slope 5.3%
- Climb 12 (at km 67.93 km): +168 m over 3.29 km, average slope 5.1%
- Climb 13 (at km 74.15 km): +90 m over 1.42 km, average slope 6.3%
- Climb 14 (at km 80.25 km): +96 m over 678 m, average slope 14.2%
- Climb 15 (at km 89.13 km): +69 m over 1.63 km, average slope 4.3%
