Circuito de senderismo de 126.35 km desde Le Tronchai. El desnivel positivo es de 3051 m, con una altitud entre 101 m y 413 m. Duración estimada: 45 h 50 min. Municipio de salida: Le Tronchai (Pays de la Loire, France).
Esta ruta incluye 14 subidas significativas. Con un desnivel acumulado de 2167 m a lo largo de 45.01 km, con una pendiente media del 4.8%.
- Climb 1 (at km 5.47 km): +169 m over 3.36 km, average slope 5.0%
- Climb 2 (at km 12.66 km): +137 m over 3.36 km, average slope 4.1%
- Climb 3 (at km 23.93 km): +151 m over 4.09 km, average slope 3.7%
- Climb 4 (at km 40.59 km): +136 m over 2.38 km, average slope 5.7%
- Climb 5 (at km 44.87 km): +55 m over 1.16 km, average slope 4.7%
- Climb 6 (at km 51.75 km): +147 m over 2.81 km, average slope 5.2%
- Climb 7 (at km 83.12 km): +222 m over 6.48 km, average slope 3.4%
- Climb 8 (at km 92.57 km): +209 m over 3.91 km, average slope 5.4%
- Climb 9 (at km 113.79 km): +156 m over 2.38 km, average slope 6.6%
- Climb 10 (at km 136.00 km): +388 m over 7.88 km, average slope 4.9%
- Climb 11 (at km 138.98 km): +44 m over 1.21 km, average slope 3.6%
- Climb 12 (at km 142.14 km): +89 m over 1.54 km, average slope 5.8%
- Climb 13 (at km 146.80 km): +148 m over 1.85 km, average slope 8.0%
- Climb 14 (at km 151.27 km): +116 m over 2.61 km, average slope 4.4%
