Fête de la Nature 2026 brings nature-discovery activities to two sites in Cergy on 20 May 2026. The programme is split between the Coulée Verte play area and Maison de quartier Le Douze.
Fête de la Nature 2026 brings nature-discovery activities to two sites in Cergy on 20 May 2026. The programme is split between the Coulée Verte play area and Maison de quartier Le Douze.