Circuito de senderismo de 67.17 km desde Sarriguren. El desnivel positivo es de 5819 m, con una altitud entre 529 m y 1454 m. Duración estimada: 29 h. Municipio de salida: Sarriguren (Navarra / Nafarroa, Espagne).
Esta ruta incluye 12 subidas significativas. Con un desnivel acumulado de 3444 m a lo largo de 21.60 km, con una pendiente media del 16.0%.
- Climb 1 (at km 655 m): +70 m over 600 m, average slope 11.7%
- Climb 2 (at km 2.86 km): +65 m over 460 m, average slope 14.1%
- Climb 3 (at km 9.02 km): +168 m over 1.62 km, average slope 10.4%
- Climb 4 (at km 11.40 km): +121 m over 1.43 km, average slope 8.5%
- Climb 5 (at km 22.64 km): +805 m over 4.82 km, average slope 16.7%
- Climb 6 (at km 31.33 km): +146 m over 942 m, average slope 15.5%
- Climb 7 (at km 37.24 km): +588 m over 2.81 km, average slope 21.0%
- Climb 8 (at km 41.21 km): +177 m over 845 m, average slope 21.0%
- Climb 9 (at km 49.33 km): +155 m over 803 m, average slope 19.3%
- Climb 10 (at km 55.60 km): +269 m over 2.50 km, average slope 10.8%
- Climb 11 (at km 59.23 km): +369 m over 2.35 km, average slope 15.7%
- Climb 12 (at km 64.55 km): +511 m over 2.43 km, average slope 21.0%
