Circuito de senderismo de 57.92 km desde Berriozar. El desnivel positivo es de 3956 m, con una altitud entre 413 m y 1140 m. Duración estimada: 22 h. Municipio de salida: Berriozar (Navarra / Nafarroa, Espagne).
Esta ruta incluye 10 subidas significativas. Con un desnivel acumulado de 1938 m a lo largo de 15.37 km, con una pendiente media del 12.6%.
- Climb 1 (at km 7.40 km): +155 m over 2.05 km, average slope 7.6%
- Climb 2 (at km 12.25 km): +31 m over 579 m, average slope 5.4%
- Climb 3 (at km 16.45 km): +380 m over 2.56 km, average slope 14.8%
- Climb 4 (at km 24.05 km): +99 m over 1.31 km, average slope 7.6%
- Climb 5 (at km 26.68 km): +75 m over 845 m, average slope 8.9%
- Climb 6 (at km 31.79 km): +181 m over 1.76 km, average slope 10.3%
- Climb 7 (at km 56.68 km): +499 m over 2.95 km, average slope 16.9%
- Climb 8 (at km 61.72 km): +340 m over 1.76 km, average slope 19.4%
- Climb 9 (at km 70.52 km): +91 m over 1.26 km, average slope 7.2%
- Climb 10 (at km 73.20 km): +87 m over 299 m, average slope 29.1%
