Anello di escursionismo di 168.14 km con partenza da Bermeo. Il dislivello positivo è di 6035 m, con un'altitudine compresa tra 1 m e 1205 m. Durata stimata: 61 h 30 min. Comune di partenza: Bermeo (Euskadi, Espagne).
Questa escursione comprende 20 salite significative. Con un dislivello positivo totale di 4158 m su 53.17 km, con una pendenza media del 7.8%.
- Climb 1 (at km 6.63 km): +283 m over 4.11 km, average slope 6.9%
- Climb 2 (at km 12.77 km): +247 m over 1.86 km, average slope 13.3%
- Climb 3 (at km 24.24 km): +321 m over 3.82 km, average slope 8.4%
- Climb 4 (at km 27.37 km): +88 m over 1.25 km, average slope 7.1%
- Climb 5 (at km 33.50 km): +431 m over 3.54 km, average slope 12.2%
- Climb 6 (at km 39.16 km): +149 m over 1.67 km, average slope 8.9%
- Climb 7 (at km 59.08 km): +713 m over 9.68 km, average slope 7.4%
- Climb 8 (at km 64.43 km): +31 m over 507 m, average slope 6.1%
- Climb 9 (at km 69.70 km): +167 m over 1.96 km, average slope 8.5%
- Climb 10 (at km 76.41 km): +53 m over 768 m, average slope 6.9%
- Climb 11 (at km 82.56 km): +130 m over 1.02 km, average slope 12.8%
- Climb 12 (at km 90.60 km): +126 m over 2.71 km, average slope 4.7%
- Climb 13 (at km 94.43 km): +31 m over 373 m, average slope 8.3%
- Climb 14 (at km 102.28 km): +58 m over 2.90 km, average slope 2.0%
- Climb 15 (at km 106.05 km): +101 m over 1.75 km, average slope 5.8%
- Climb 16 (at km 111.22 km): +182 m over 2.41 km, average slope 7.6%
- Climb 17 (at km 120.50 km): +98 m over 1.33 km, average slope 7.4%
- Climb 18 (at km 132.32 km): +423 m over 5.54 km, average slope 7.6%
- Climb 19 (at km 140.55 km): +439 m over 3.34 km, average slope 13.2%
- Climb 20 (at km 165.27 km): +87 m over 2.64 km, average slope 3.3%
