Châtillon-sur-Marne

49.10056°N, 3.75833°W Châtillon-sur-Marne is a commune in the Marne department in north-eastern France. It lies in the valley of the Marne River, surrounded by the Parc Naturel de la Montagne de Reims. It lies in the historic province of Champagne. The picturesque village stands above sloping vineyards and fields: Épernay, the principal entrepôt of the Champagne wines, is within walking distance.