Circuito de senderismo de 125.57 km desde Serre de Montgros. El desnivel positivo es de 7386 m, con una altitud entre 123 m y 1162 m. Duración estimada: 44 h. Municipio de salida: Serre de Montgros (Occitanie, France).
Esta ruta incluye 17 subidas significativas. Con un desnivel acumulado de 2852 m a lo largo de 33.51 km, con una pendiente media del 8.5%.
- Climb 1 (at km 4.91 km): +181 m over 2.62 km, average slope 6.9%
- Climb 2 (at km 12.76 km): +136 m over 2.67 km, average slope 5.1%
- Climb 3 (at km 22.75 km): +84 m over 933 m, average slope 9.0%
- Climb 4 (at km 27.21 km): +188 m over 1.66 km, average slope 11.3%
- Climb 5 (at km 29.36 km): +219 m over 957 m, average slope 22.9%
- Climb 6 (at km 34.99 km): +49 m over 855 m, average slope 5.7%
- Climb 7 (at km 45.58 km): +51 m over 274 m, average slope 18.6%
- Climb 8 (at km 57.41 km): +57 m over 1.44 km, average slope 4.0%
- Climb 9 (at km 67.96 km): +207 m over 3.94 km, average slope 5.3%
- Climb 10 (at km 71.06 km): +41 m over 609 m, average slope 6.7%
- Climb 11 (at km 78.41 km): +503 m over 4.23 km, average slope 11.9%
- Climb 12 (at km 86.47 km): +263 m over 2.63 km, average slope 10.0%
- Climb 13 (at km 93.24 km): +343 m over 2.49 km, average slope 13.8%
- Climb 14 (at km 100.60 km): +199 m over 2.34 km, average slope 8.5%
- Climb 15 (at km 104.37 km): +113 m over 1.29 km, average slope 8.8%
- Climb 16 (at km 113.16 km): +127 m over 2.04 km, average slope 6.2%
- Climb 17 (at km 124.57 km): +91 m over 2.53 km, average slope 3.6%
