Normandy low carbon rate : how does it work ? 

Normandy continues its commitment to a more responsible tourism and promotes sustainable travel. Launched in spring 2024, the low-carbon rate highlights and encourages everyone’s efforts. If you’re traveling by train, coach or bike, you’ll be able to benefit from a minimum 10% discount at many of Normandy’s tourist and leisure attractions. All the info : Normandy low carbon rate - Normandy Tourism, France (normandie-tourisme.fr)