Travelers are voting Adour River, Bidouze and Boudigau as the best of 3 rivers near Biarritz. There are 1 river near Saint-Girons a city just 140 km from Biarritz and 3 rivers near La Rochelle which is 180 km distant. The most popular of these are Garonne River near Saint-Girons and Boutonne River in La Rochelle. You can find 11 rivers in Aquitaine and 78 rivers in the country of France. Our members favorite in Aquitaine is Adour River and Seine River is the top pick in France. Want more? Check out our map of rivers near Biarritz.