Champagne-sur-Oise is a railway station in the commune of Champagne-sur-Oise (Val-d'Oise department), France.

The station is served by the Transilien H on two of its branches : Creil↔Persan-Beaumont↔Pontoise and Paris Nord↔Ermont Eaubonne↔Persan-Beaumont.

In 2019, the station's estimated annual passengers is 342,276.

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