Circuito de senderismo de 109.88 km desde Mérens-les-Vals. El desnivel positivo es de 8905 m, con una altitud entre 735 m y 2432 m. Duración estimada: 47 h 10 min. Municipio de salida: Mérens-les-Vals (Occitanie, France).
Esta ruta incluye 14 subidas significativas. Con un desnivel acumulado de 5788 m a lo largo de 32.27 km, con una pendiente media del 17.9%.
- Climb 1 (at km 6.36 km): +1103 m over 5.29 km, average slope 20.9%
- Climb 2 (at km 11.30 km): +223 m over 1.73 km, average slope 12.9%
- Climb 3 (at km 12.99 km): +62 m over 302 m, average slope 20.6%
- Climb 4 (at km 21.70 km): +53 m over 953 m, average slope 5.6%
- Climb 5 (at km 31.92 km): +658 m over 2.91 km, average slope 22.6%
- Climb 6 (at km 38.39 km): +635 m over 3.84 km, average slope 16.5%
- Climb 7 (at km 49.27 km): +810 m over 4.35 km, average slope 18.6%
- Climb 8 (at km 64.26 km): +551 m over 4.20 km, average slope 13.1%
- Climb 9 (at km 75.58 km): +598 m over 3.00 km, average slope 19.9%
- Climb 10 (at km 82.69 km): +153 m over 853 m, average slope 17.9%
- Climb 11 (at km 86.22 km): +173 m over 539 m, average slope 32.1%
- Climb 12 (at km 89.00 km): +64 m over 640 m, average slope 10.0%
- Climb 13 (at km 91.12 km): +78 m over 233 m, average slope 33.5%
- Climb 14 (at km 104.78 km): +627 m over 3.42 km, average slope 18.3%
