Chartres en Lumières is the public's chance to discover its heritage illuminated in a thousand colors. Quite simply, it's the biggest heritage illumination operation in the world! A dazzling night-time spectacle, to be discovered 9 months a year. Don't miss the royal portal of Chartres cathedral, the Hôtel Montescot, Saint-Pierre church, the Pont des Minimes and the Gloriette quays and washhouse. Two new monuments have been added to the itinerary this year: Saint-Aignan church and the Conseil départemental. The event is also investing in low-energy devices and is furthering its commitment to eco-responsibility. For more information, click here.