The starting point is in the village square of Urdoz, in front of the chapel. Parking available.
(S/E) Opposite the chapel, turn right towards the west onto a path. Continue along this path for about 3.5 km until you reach a fork at an elevation of 631 metres, where the Saroixarreko Borda building stands on the left.
(1) Take the path that leaves the track on the left, behind the barn. Follow this path for 1.2 km, heading west, until you reach Col Harrieta.
(2) Turn right northwards and follow the red and white markings ofthe GR®10. After a small rocky promontory, leave theGR® on your right and follow the small path that branches off to the left, heading north. Climb this fairly steep path until it turns west and the slope becomes gentler. Then turn east to reach the ridge and the summit of Pic de Toutoulia at an altitude of 987 metres.
(3) Turn right to descend the ridge, heading southwest, following theGR®10. Return to Col Harrieta.
(2) Return to Saroixarreko Borda by retracing your steps.
(1) Take the track on the left, heading north-northeast. Follow this track, which heads northeast to elevation 433.
(4) Leave the track at a sharp bend and follow the path on the right which descends south-east. Follow this path downhill until you reach the road. Follow this road for about 200 m untilthe first bend to the left.
(5) Turn right. At the houses of Otsobia, leave the road and take the path on the right that descends south-east to the chapel of Urdoz (S/E).