Take the D918 to Ibarron and park in the car park by the pelota court.
(S/E) From the car park, follow the yellow Sainte-Barbe markings which start on the Aroztegia path and cross the Nivelle via a Roman bridge. Continue along the Aroztegia path to the farm of the same name.
Go through the cattle grid and continue straight ahead to a junction.
(1) Turn left towards the south-east, crossing the footbridge.
At the junction, turn right towards the south-east until you reach a wide track.
(2) Turn right towards the south-west onto the track, which bends south-east until you reach a T-junction.
(3) Turn right towards the south-west, ignore a dead-end path on the left and continue to a Y-junction.
(4) Turn left towards the south until you reach a track.
(5) Turn right towards the south-west until you reach a road.
(6) Turn right for 200 m until you reach another junction.
(7) Turn right towards the north onto a track that winds its way to a T-junction.
(8) Turn left towards the north until you reach a T-junction.
(9) Turn right to return to the initial junction passed on the way there.
(1) Continue straight ahead along the opposite route to the one taken on the way there, and you will reach the car park (S/E).
Very nice, lovely scenery