By car: take the D918 towards Saint-Jean-Pied-de-Port.
Pass Louhossoa and Bidarray, then at the Ossés exit, turn right towards Saint-Étienne-de-Baïgorry, crossing the Nive river.
4 km after the bridge, turn right towards Urdos. Continue on this road and after the Manehenea restaurant, turn left onto the narrow road towards the "chambres d'hôtes" (bed and breakfast).
Park diagonally on the small square in front of the church and the bastide, which serves as a lodge.
(S/E) Head west on the path that passes to the right of the lodge, following the yellow markings.
After 100 metres, ignore the path that descends to the right and stay on the same track, which begins to climb.
Pass to the left of the Uxtolordoki barn/sheepfold and continue climbing. The track becomes shaded (oak, chestnut, beech and hazel trees), passing a ruined barn.
(1) A few metres further on at the three-way junction, continue straight ahead, ignoring the path that climbs to the left. About 50 metres further on, you will come to a second barn.
On the right, you can see the pointed summit of Huberleta.
Further on, wade across a small stream and continue for about 20 minutes.
(2) At another three-way junction, continue climbing to the right, ignoring the path that descends to the left.
(3) At the concrete block fence, climb up opposite as indicated by a sign. Do not follow the path on the right that leads horizontally towards the Col de Larrarté. This path, which climbs westwards, sometimes through undergrowth, leads to theGR®10at the Col d'Harrieta.
(4) Take theGR®10on the right and climb up to the first ledge.
(5) Continue along the path to the summit of Toutoulia.
(6) Follow theGR®10along the ridges to Pic d'Iparla, the highest point of the route (1049m).
(7) Return via the same route to the car park (S/E).

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