Circuito de senderismo de 107.81 km desde Cangas de Onis. El desnivel positivo es de 16712 m, con una altitud entre 223 m y 2374 m. Duración estimada: 49 h. Municipio de salida: Cangas de Onis (Castilla y León, Espagne).
Esta ruta incluye 22 subidas significativas. Con un desnivel acumulado de 6641 m a lo largo de 33.83 km, con una pendiente media del 19.6%.
- Climb 1 (at km 3.72 km): +458 m over 2.08 km, average slope 22.0%
- Climb 2 (at km 6.27 km): +107 m over 461 m, average slope 23.2%
- Climb 3 (at km 7.15 km): +45 m over 258 m, average slope 17.4%
- Climb 4 (at km 9.07 km): +49 m over 276 m, average slope 17.8%
- Climb 5 (at km 18.43 km): +244 m over 2.07 km, average slope 11.8%
- Climb 6 (at km 28.94 km): +111 m over 542 m, average slope 20.5%
- Climb 7 (at km 33.32 km): +951 m over 2.86 km, average slope 33.2%
- Climb 8 (at km 34.39 km): +53 m over 145 m, average slope 36.6%
- Climb 9 (at km 37.63 km): +368 m over 1.51 km, average slope 24.4%
- Climb 10 (at km 59.18 km): +143 m over 1.02 km, average slope 14.0%
- Climb 11 (at km 66.83 km): +55 m over 494 m, average slope 11.1%
- Climb 12 (at km 68.82 km): +58 m over 103 m, average slope 56.1%
- Climb 13 (at km 69.92 km): +42 m over 99 m, average slope 42.5%
- Climb 14 (at km 70.83 km): +31 m over 63 m, average slope 49.0%
- Climb 15 (at km 71.46 km): +36 m over 77 m, average slope 47.0%
- Climb 16 (at km 80.98 km): +651 m over 2.98 km, average slope 21.9%
- Climb 17 (at km 86.37 km): +979 m over 3.65 km, average slope 26.8%
- Climb 18 (at km 101.53 km): +537 m over 2.64 km, average slope 20.4%
- Climb 19 (at km 105.40 km): +355 m over 2.29 km, average slope 15.5%
- Climb 20 (at km 107.48 km): +180 m over 931 m, average slope 19.3%
- Climb 21 (at km 119.24 km): +823 m over 7.52 km, average slope 10.9%
- Climb 22 (at km 123.07 km): +365 m over 1.76 km, average slope 20.7%
