In the upper part of the Ossau Valley, from Eaux-Bonnes, go up towards the resort of Gourette. Access by car : parking at the foot of the waterfall at the Ley parking lot next to the Ley camping/caravanning/caravanning area.
The gave du Valentin after having crossed the undergrounds of Gourette emerges from the rock above the parking lot of Ley at 1,5 km before Gourette to throw itself in the gorges of the Valentin in Eaux-Bonnes by crossing 750 m of unevenness between the 2 villages. Approximate height of 140 meters. Seen from the parking, there is no access road, it is visible from the parking or on the road going up to Gourette.