This route full of character allows you to discover the tumultuous surroundings of the Adour. It takes small roads with short, dry climbs, with 20 kilometres along the Adour at the halfway point. Punctuated by belvederes, castles and abbeys, it is a loop not to be missed!
From Pau, take the A64 freeway towards Bayonne. Leave the freeway at junction 3 Briscous Hasparren. Turn left onto the D21 to Hasparren. The tourist office is at 2 place Saint Jean. From Bayonne, go up the Adour on Avenue du Capitaine Resplandy, then take the D52 at the roundabout. Follow Viaduc de Mousserolles, the next two traffic circles, then follow D1 E80 towards Pau/Toulouse. On the E80, leave at exit 3. Turn right onto the D21 to Ha