Гав-де-По
The Gave de Pau forms the southern border of the commune as it flows west to join the Gave d'Oloron at Peyrehorade. Numerous streams rise in the commune and flow south to join the Gave de Pau including the "Ruisseau de Montlong". The "Ruisseau de Lataillade" forms the northern border of the commune as it flows west and forms part of the departmental border with Landes before joining the Gave de Pau west of Puyoô. The "Arriou de Bardj" rises in the north of the commune and flows west then south to join the Gave de Pau east of Ramous.