The Domaine de la Vallée-aux-Loups exceptionally opens its arboretum and gardens for a week of technical encounters on nature and health. With a heritage that echoes through this site was the residence of François-René de Chateaubriand and is a major site for botanical and literary heritage. celebrates the enduring spirit of the regional identity of the department by showcasing the successful preservation of aristocratic landscapes and their ecological value. Visitors can participate in guided tours of the ancient tree collections and attend lectures on the role of nature in mental well-being. This program has a meaningful social impact by providing a serene and prestigious cultural destination for local residents and health professionals. For researchers it delivered a fascinating look at the sustainability of historic tree collections in the face of modern climate change. The initiative ensures the legacy of the ‘Valley of Wolves’ remains a living part of the regional cultural and scientific identity.