Circuito de senderismo de 139.84 km desde Porcío. El desnivel positivo es de 10682 m, con una altitud entre 112 m y 1610 m. Duración estimada: 55 h 40 min. Municipio de salida: Porcío (Asturias / Asturies, Espagne).
Esta ruta incluye 15 subidas significativas. Con un desnivel acumulado de 4775 m a lo largo de 51.63 km, con una pendiente media del 9.3%.
- Climb 1 (at km 3.96 km): +62 m over 572 m, average slope 10.8%
- Climb 2 (at km 9.89 km): +112 m over 1.31 km, average slope 8.6%
- Climb 3 (at km 28.39 km): +281 m over 3.80 km, average slope 7.4%
- Climb 4 (at km 51.05 km): +945 m over 17.36 km, average slope 5.4%
- Climb 5 (at km 58.24 km): +367 m over 2.45 km, average slope 15.0%
- Climb 6 (at km 73.20 km): +297 m over 2.97 km, average slope 10.0%
- Climb 7 (at km 76.65 km): +111 m over 1.10 km, average slope 10.1%
- Climb 8 (at km 92.06 km): +1041 m over 8.37 km, average slope 12.4%
- Climb 9 (at km 106.68 km): +533 m over 4.26 km, average slope 12.5%
- Climb 10 (at km 123.97 km): +606 m over 4.78 km, average slope 12.7%
- Climb 11 (at km 127.77 km): +86 m over 735 m, average slope 11.7%
- Climb 12 (at km 131.57 km): +44 m over 440 m, average slope 10.0%
- Climb 13 (at km 136.19 km): +82 m over 1.10 km, average slope 7.5%
- Climb 14 (at km 145.72 km): +132 m over 1.65 km, average slope 8.0%
- Climb 15 (at km 149.50 km): +76 m over 731 m, average slope 10.4%
