Start from the bridge over the Adour between the villages of Tercis and Rivière. Park below the bridge.
(S/E) Follow the old towpath along the right bank of the Adour.
(1) After 1.3 km, you will see the return path on your right. Continue straight ahead along the Adour.
(2) From here, you can see the alluvial plain on your right. Continue along the Adour to the port of Saubusse.
(3) Just after crossing the small bridge, turn right and follow a small stream for about 400 m.
(4) Turn onto the track on the right and go through the gate (make sure you close it behind you). Follow the "canal". Continue along the same track until you reach a barbed wire fence.
(5) Go through the small gate and turn right onto another track.
(6) Take the track that branches off to the right and runs alongside a large pond (l'Esté).
(7) Take the track that branches off to the right.
(8) House of the "witch" (Le Bos), continue until you reach the Adour.
(1) Turn left and follow the Adour upstream to the starting point (S/E).
