Take the D918 to Ibarrun and park in the fronton car park.
(S/E) From the car park, follow the yellow Sainte-Barbe markings that start on the Chemin d'Aroztegia. Cross the Nivelle river over a Roman bridge. Continue on the Chemin d'Aroztegia to the farm of the same name.
(1) Go through the cattle grid and turn right, then left onto the path that climbs into the forest.
(2) Climb to the right along the small path marked "Santa-Barbara". At the foot of the hill and the pylon, take the path on the right that climbs to the Santa Barbara Cross, where the ikurrina (Basque flag) flies.
Descend on the opposite side (south-west). Join a track suitable for vehicles and follow it to the right (west-south-west). Further on, the track turns north-west. You will come to a T-junction.
(4) Take the path on the left that descends to a crossroads.
(5) Then take thefirst path on the right.
(6) After about 100 metres, turn left and ford the stream. Follow the wide track that climbs up opposite until you come to another stream.
(7) Cross it and head towards the Martinhaurrenborda sheepfold.
(8) Before the sheepfold, take the wide track that branches off to the left. Pass in front of the Jubilee Cross from the year 2000.
Continue along the mountain trail, passing by the Basque pig farm. A few hundred metres after the sheepfold, you will find a path leading off to the left.
(9) Enter the path through a gate (close it behind you). The path winds its way until it joins a wide track.
(10) Turn right onto the track, which climbs then descends and returns to the Aroztegia farm.
(1) Continue straight ahead to return to the car park where you started (A/D).
