Montmagny () is a commune in the Val-d'Oise department in Île-de-France in northern France.
Transport The north of Montmagny is served by the Deuil - Montmagny station and the south by the Épinay–Villetaneuse station, both on the Transilien Paris-Nord suburban rail network.
Population
See also Communes of the Val-d'Oise department
References
External links
Official website
Association of Mayors of the Val d'Oise