Circuito de senderismo de 134.33 km desde Bárcenas. El desnivel positivo es de 4187 m, con una altitud entre 178 m y 1227 m. Duración estimada: 45 h 10 min. Municipio de salida: Bárcenas (Castilla y León, Espagne).
Esta ruta incluye 11 subidas significativas. Con un desnivel acumulado de 2051 m a lo largo de 33.54 km, con una pendiente media del 6.1%.
- Climb 1 (at km 13.21 km): +230 m over 5.32 km, average slope 4.3%
- Climb 2 (at km 20.86 km): +48 m over 2.19 km, average slope 2.2%
- Climb 3 (at km 25.63 km): +355 m over 2.60 km, average slope 13.7%
- Climb 4 (at km 33.21 km): +50 m over 874 m, average slope 5.7%
- Climb 5 (at km 58.59 km): +583 m over 5.74 km, average slope 10.2%
- Climb 6 (at km 65.74 km): +35 m over 333 m, average slope 10.5%
- Climb 7 (at km 75.78 km): +373 m over 3.63 km, average slope 10.3%
- Climb 8 (at km 88.85 km): +192 m over 7.05 km, average slope 2.7%
- Climb 9 (at km 113.49 km): +116 m over 3.30 km, average slope 3.5%
- Climb 10 (at km 127.39 km): +37 m over 1.42 km, average slope 2.6%
- Climb 11 (at km 132.03 km): +32 m over 1.09 km, average slope 3.0%
