Circuito de senderismo de 46.30 km desde Lozana. El desnivel positivo es de 4890 m, con una altitud entre 338 m y 1490 m. Duración estimada: 19 h. Municipio de salida: Lozana (Asturias / Asturies, Espagne).
Esta ruta incluye 9 subidas significativas. Con un desnivel acumulado de 2157 m a lo largo de 16.92 km, con una pendiente media del 12.8%.
- Climb 1 (at km 5.65 km): +462 m over 3.87 km, average slope 11.9%
- Climb 2 (at km 8.98 km): +163 m over 1.70 km, average slope 9.6%
- Climb 3 (at km 14.04 km): +68 m over 794 m, average slope 8.6%
- Climb 4 (at km 20.03 km): +171 m over 1.43 km, average slope 12.0%
- Climb 5 (at km 24.01 km): +92 m over 943 m, average slope 9.8%
- Climb 6 (at km 28.31 km): +42 m over 525 m, average slope 8.0%
- Climb 7 (at km 33.65 km): +197 m over 1.75 km, average slope 11.2%
- Climb 8 (at km 38.42 km): +515 m over 2.71 km, average slope 19.0%
- Climb 9 (at km 46.26 km): +447 m over 3.20 km, average slope 14.0%
