The start is in the village square of Urdoz, in front of the chapel. Parking available.
(S/E) Facing the chapel, head right towards the west along a path. Continue along this path for approximately 3.5 km, until you reach a fork at the 631-metre mark, where the Saroixarreko Borda building stands on the left.
(1) Take the path that branches off to the left of the track, behind the farmhouse. Follow this path for 1.2 km, heading west, to the Col Harrieta.
(2) Turn right towards the north and follow the red and white markings ofthe GR®®10. After a small rocky outcrop, leave theGR®® on your right and follow the narrow path branching off to the left, heading north. Climb this somewhat steep path until it turns westwards and the slope becomes gentler. Then turn eastwards to reach the ridge and the summit of Pic de Toutoulia at an elevation of 987 metres.
(3) Turn right to descend along the ridge, heading south-west, following theGR®®10. Return to Col Harrieta.
(2) Return to Saroixarreko Borda via the same route as on the way out.
(1) Take the track on the left, heading north-north-east. Follow this track, which turns north-east, to the 433-metre mark.
(4) Leave the track at a sharp bend and follow the path on the right which descends south-east. Follow this path down until you reach the road. Follow this road for about 200 m until thefirst bend on the left.
(5) Turn right. At the houses of Otsobia, leave the road and take the path on the right which descends south-east to the chapel of Urdoz (S/E).