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From Bayonne, take the road to Cambo and Saint-Jean-Pied-de-Port. At Saint-Jean-Pied-de-Port, take the D 301 towards Saint-Michel, Estérençuby. In Estérençuby, park in the centre.
(S/E) Take the road that runs along the right bank of the Nive de Béhérobie for about 1.5 km.
(1) Turn right and cross the Nive. Immediately after, at Jauregitoa, at a crossroads.
(2) Head south on the path to the left behind a building. It enters the forest and begins to climb.
At the next intersection, stay on the trail, which climbs steeply and steadily southwards. You will reach an open area filled with ferns, then a hairpin bend.
(3) This time, head due north to return to the wooded area, until you reach the next hairpin bend.
(4) Leave the forest again and head south into new grassy areas. After another hairpin bend to the right, you will arrive at a sheepfold.
(5) Take a track on the left that follows a level curve through a magnificent beech forest. At the entrance to the woods, leave a track on your left that leads to sheepfolds. After a large detour to the left, the track begins to descend to a road that leads to Estérençuby (signposted Esterençuby).
(6) Take the road on the left. It climbs back up to a crossroads (757 m on the map).
(7) Then turn right, leave the road immediately after a barn and take a track that follows the ridge. Pass above a sheepfold at a crossroads.
(8) "On the right, the path leads to the sheepfold, which you will take on the way back." Cross the meadow or continue straight ahead to reach a drinking trough.
(9) Go around this fenced-in meadow on the left. A fairly well-marked trail leads uphill. It goes around a small forest on the right and quickly reaches Pic d'Iramendy (868 m).
(10). Lovely 360-degree view.
Return by the same route until you reach the crossroads.
(8) Turn left and descend towards the sheepfold, which you saw from above on the way up. Pass between the two buildings, turn right immediately and join a clearly visible track below that leads to another sheepfold. Turn right and join the road.
(11) Turn left and follow the road downhill for about 4 km until you reach the top of the village of Estérençuby.
(12) Turn left, then right and join the bridge over the Nive. Cross and join the (S/E).
Visorando member
Moderate 
Very difficult 
Easy 
