By the A62 motorway: exit at exit no. 3 Langon, at the roundabout 2nd exit direction Pau/Bazas, 100m after the 2nd roundabout turn at the 1st exit, then go up rue des Chênes to the end, turn left on avenue rené Cassin, 1st house on the right, you have arrived!
By road, reach the A62 motorway roundabout, then the same.