RDV Jardins – Neuilly 33 Hectares

The 33 Hectares Park in Neuilly-sur-Marne hosts a series of nature-inspired workshops and guided artistic tours for the Garden Gatherings 2026. With a heritage that echoes through this massive urban forest was developed to provide essential green space for the industrial heart of the Marne Valley since the 20th century. The event highlights the regional identity of Seine-Saint-Denis as a territory that prioritizes urban ecology and the democratic public access to nature. Visitors can participate in plant repotting sessions sensory bare-foot walks and Land Art workshops with local professional artists during the weekend. This initiative has a significant social impact by connecting the local youth with the physical and aesthetic values of their neighborhood park. For urban researchers it delivered a fascinating case study on the use of massive green infrastructure for social inclusion and regional cultural development. The festival ensures the legacy of the department’s ‘green lungs’ is celebrated and protected by its residents and visitors.