100.97 km loop hiking starting from Hendaye.
This hike includes 11 significant climbs. With a total elevation gain of 4089 m across 30.60 km, with an average slope of 13.4%.
- Climb 1 (at km 9.41 km): +276 m over 3.02 km, average slope 9.2%
- Climb 2 (at km 13.40 km): +234 m over 1.85 km, average slope 12.6%
- Climb 3 (at km 15.83 km): +35 m over 144 m, average slope 24.4%
- Climb 4 (at km 20.47 km): +155 m over 1.57 km, average slope 9.9%
- Climb 5 (at km 25.59 km): +378 m over 2.33 km, average slope 16.2%
- Climb 6 (at km 49.35 km): +637 m over 6.40 km, average slope 10.0%
- Climb 7 (at km 53.79 km): +132 m over 954 m, average slope 13.8%
- Climb 8 (at km 57.46 km): +166 m over 1.31 km, average slope 12.7%
- Climb 9 (at km 70.68 km): +857 m over 4.97 km, average slope 17.2%
- Climb 10 (at km 75.31 km): +276 m over 1.64 km, average slope 16.8%
- Climb 11 (at km 92.10 km): +943 m over 6.41 km, average slope 14.7%
