Saint Denis d Oleron, France offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Saint Denis d Oleron is known for the Chassiron Lighthouse and its scenic coastal views. The best time to travel to Saint Denis d'Oleron, France, is from June to September, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
