Circuito de senderismo de 107.67 km desde San Rafael. El desnivel positivo es de 3050 m, con una altitud entre 956 m y 1845 m. Duración estimada: 37 h 50 min. Municipio de salida: San Rafael (Castilla y León, Espagne).
Esta ruta incluye 12 subidas significativas. Con un desnivel acumulado de 1824 m a lo largo de 34.86 km, con una pendiente media del 5.2%.
- Climb 1 (at km 4.76 km): +99 m over 2.11 km, average slope 4.7%
- Climb 2 (at km 13.69 km): +551 m over 4.88 km, average slope 11.3%
- Climb 3 (at km 43.31 km): +38 m over 816 m, average slope 4.7%
- Climb 4 (at km 81.31 km): +156 m over 5.40 km, average slope 2.9%
- Climb 5 (at km 85.86 km): +254 m over 2.92 km, average slope 8.7%
- Climb 6 (at km 105.91 km): +158 m over 6.04 km, average slope 2.6%
- Climb 7 (at km 113.86 km): +120 m over 2.49 km, average slope 4.8%
- Climb 8 (at km 119.54 km): +31 m over 1.60 km, average slope 1.9%
- Climb 9 (at km 123.76 km): +32 m over 1.45 km, average slope 2.2%
- Climb 10 (at km 132.28 km): +107 m over 2.95 km, average slope 3.6%
- Climb 11 (at km 143.29 km): +81 m over 722 m, average slope 11.2%
- Climb 12 (at km 151.10 km): +197 m over 3.48 km, average slope 5.7%
