Circuito de senderismo de 279.77 km desde Latilly. El desnivel positivo es de 5062 m, con una altitud entre 57 m y 247 m. Duración estimada: 103 h 30 min. Municipio de salida: Latilly (Hauts-de-France, France).
Esta ruta incluye 13 subidas significativas. Con un desnivel acumulado de 3514 m a lo largo de 112.23 km, con una pendiente media del 3.1%.
- Climb 1 (at km 79.19 km): +973 m over 35.44 km, average slope 2.8%
- Climb 2 (at km 154.65 km): +697 m over 35.17 km, average slope 2.0%
- Climb 3 (at km 179.80 km): +207 m over 6.83 km, average slope 3.0%
- Climb 4 (at km 190.75 km): +112 m over 2.55 km, average slope 4.4%
- Climb 5 (at km 194.74 km): +71 m over 1.52 km, average slope 4.7%
- Climb 6 (at km 206.46 km): +121 m over 4.41 km, average slope 2.8%
- Climb 7 (at km 290.66 km): +654 m over 11.40 km, average slope 5.7%
- Climb 8 (at km 297.74 km): +91 m over 2.11 km, average slope 4.3%
- Climb 9 (at km 303.56 km): +30 m over 1.37 km, average slope 2.2%
- Climb 10 (at km 312.31 km): +115 m over 2.07 km, average slope 5.6%
- Climb 11 (at km 326.56 km): +141 m over 3.63 km, average slope 3.9%
- Climb 12 (at km 336.49 km): +204 m over 4.14 km, average slope 4.9%
- Climb 13 (at km 342.96 km): +98 m over 1.59 km, average slope 6.2%
