On the D652 between Vieux-Boucau and Messanges, park in the supermarket car park located at the roundabout with the Route de la Plage Sud.
(S/E) Join the tarmac track running between the supermarket car park and the industrial estate. Follow this track as it turns left. About 50 metres further on, turn right into the forest and you’ll reach a junction with the Léon–Soustons cycle path.
(1) Cross the cycle path and ride alongside Camping Lou Pignada. You’ll reach a junction with a tarmac road at elevation 7.
(2) Turn right, continue for about 300 m and you’ll reach an X-shaped junction.
(3) Turn left towards the east. Pass by some houses at elevation 8 and turn right, heading south. Discover the magnificent Étang de S’douys. Just after the lake, turn right towards a junction with several paths.
(4) Carry on straight ahead, heading west, until you reach an X-shaped junction at elevation 6.
(5) Carry on straight ahead. After about 120 m, you’ll reach a junction with a footbridge.
(6) Turn right, then after the footbridge, follow the various signs for the Pidgeon Hunting Hut Trail. Explore the Pidgeon Hunting Hut. Just after this, you’ll find a picnic table.
(7) Leave the ‘Pidgeon Hunting Hut Signposting’ and turn left. Continue straight on at a junction at elevation 7. Along this straight stretch, you’ll find numerous benches and picnic tables. Pass a second junction, then arrive at another T-junction at elevation 5.
(8) Turn left towards the east and walk for about 400 m before reaching an X-junction.
(9) Turn right onto the Chemin du Bayonnais. Pass by a borehole. You’ll see new signs for the Mare aux Biches Discovery Trail and arrive at a T-junction.
(10) Turn right, pass by another borehole, then turn left, then right and finally right again, following the signs for the Mare aux Biches.You’ll come to the pond. Carry on and you’ll reach an X-junction.
(11) Turn left and reach another borehole and a Y-junction. Keep left, then continue straight on at the next X-junction. Pass by the foot of the water tower (supplied by the various boreholes you’ve come across). Walk alongside Camping Les Chênes and reach the Léon-Soustons cycle path.
(12) Turn right onto this path and follow it back up to the junction you passed on the way there with the Lou Pignada campsite
(1) Turn left and follow the route in the opposite direction to the outward journey to return to the supermarket car park (S/E).