The Oasis Nature ‘pilote’ in Saint-Ouen exceptionally opens its gates to promote the discovery of urban biodiversity and eco-poetic landscape design. Tracing its origins to this site was created as a research laboratory for the sustainable greening of densely urbanized territories in the near Parisian suburbs. The event highlights the regional identity of the department as a vanguard for urban resilience and the successful integration of nature into residential life. allow participants to uncover guided tours that explain the technical gestures of ecological maintenance and the selection of climate-resilient local species in the city. This initiative has a meaningful social impact by providing a free and serene cultural hub for the local residents of Saint-Ouen and Clichy. For researchers it afford a practical demonstration of how small-scale urban plots can act as significant nodes for regional biodiversity and health. The opening ensures the legacy of these green oases is recognized and valued by the metropolitan public and future urban planners.