The starting car park is behind a tennis court near the post office.
(S/E) Head north on Chemin des Bruscons.
Ignore the first road on the right (Chemin de Guillemane).
(1) Turn left onto a track that passes under the high-voltage power line and cross the fields until you reach a road.
Turn left onto Chemin de Starlat until you reach a crossroads.
(2) Turn right onto Route du Port until you reach the banks of the Adour.
Follow the riverbank northwards and continue along this track until you reach the Route du Rasport.
(3) Turn right towards the east onto Route du Rasport until you reach Chemin des Alluviales in Mouchacq.
(4) Turn left onto this path. At the second bend, at the end of a line of trees, take the track on the right to the corner of the cultivated area.
(5) Continue right to cross the Arriou Gran, join Impasse Bergay and continue to Route de Pitsicq.
Turn right towards the south until you reach a crossroads.
(6) Turn opposite, heading east on the Petiot road, passing to the left of a farm building until you reach a Y-junction.
Turn left, heading north-east, to reach the church of Saint-Étienne-d'Orthe.
(7) Turn right onto Allée de l'Église heading east. Continue along Route de Palounet, pass the wash house and continue to the junction with Route de Belus, where there is a calvary.
(8) Continue straight ahead, heading south-east on Impasse Hondelatte until the end of the road.
(9) Continue south on the track until it joins Impasse Bouheben, where the road becomes tarmac again.
(10) Head north-west on Route de Leboudigue until you reach Route de Port-de-Lanne (D75).
Turn left towards the south-east, where the road then turns south.
(11) Turn left onto Impasse Labourdette until it ends.
Continue along the track, passing under the high-voltage power line.
After a right-hand bend, the track comes to a crossroads.
Take the Chemin du Bois de Tartas opposite, which joins the Chemin de Lajournade.
(12) Turn left onto the path towards the church.
Go around the church on your right to return to the car park (S/E).