Circuito de senderismo de 75.62 km desde Houffalize. El desnivel positivo es de 2099 m, con una altitud entre 275 m y 546 m. Duración estimada: 26 h 10 min. Municipio de salida: Houffalize (Wallonie, België / Belgique / Belgien).
Esta ruta incluye 11 subidas significativas. Con un desnivel acumulado de 1234 m a lo largo de 22.08 km, con una pendiente media del 5.6%.
- Climb 1 (at km 2.48 km): +87 m over 1.31 km, average slope 6.6%
- Climb 2 (at km 6.96 km): +121 m over 2.64 km, average slope 4.6%
- Climb 3 (at km 39.24 km): +125 m over 1.18 km, average slope 10.6%
- Climb 4 (at km 46.41 km): +138 m over 2.40 km, average slope 5.7%
- Climb 5 (at km 52.06 km): +103 m over 2.24 km, average slope 4.6%
- Climb 6 (at km 59.37 km): +66 m over 1.40 km, average slope 4.7%
- Climb 7 (at km 65.74 km): +113 m over 1.61 km, average slope 7.0%
- Climb 8 (at km 72.38 km): +147 m over 2.83 km, average slope 5.2%
- Climb 9 (at km 82.17 km): +179 m over 3.43 km, average slope 5.2%
- Climb 10 (at km 91.10 km): +91 m over 2.07 km, average slope 4.4%
- Climb 11 (at km 94.62 km): +64 m over 961 m, average slope 6.7%
