Start from the car park at the Bidarray fronton.
(S/E) From the fronton, continue along the road for about 200 m until you reach the junction with theGR®10(very well signposted).
(1) Start the climb up to the first junction.
(2) Leave theGR®10(red and white markings), which continues to the left, and take the yellow-marked path to the right.
Continue along this path. It is impossible to go wrong; the yellow markings are clear and there are no junctions. Reach the Col de Lacho.
(3) At the Col de Lacho, do not head towards the abandoned sheepfolds but take the path slightly to the right which climbs towards the ridges to rejoin theGR®10.
(4) Take theGR®10and follow the ridge line to the right. Continue to the Pic d’Iparla.
(5) At the Pic d’Iparla, continue along theGR®10until the start of the descent towards Baïgorry.
(6) The return journey follows the route in the opposite direction back to the fronton (S/E)
(E) Back at the fronton.