Hendaye has 1 trail including difficult difficulty trails. The trail with the highest elevation climb is GR 10 and the one with the least climb is GR 10. The longest trail is the GR 10 at 912 km. To complete this hike you should budget at least 54 days. For a shorter adventure you can try the GR 10 at 912 km. This could be done in as little as 54 days. Trails with the best offering of hostels include GR 10.