The RER station Saint-Gratien is a railway station in the commune of Saint-Gratien, Val-d’Oise department, France.
The station
The station was built by the Nord company in 1906 and opened in 1908 when the extension to St. Gratien and Ermont was placed in service."Histoire: La gare de Saint Gratien (1ère partie)", Saint Gratien Magazine 87 Nov. 2006 (pdf)
The station is served by trains on Branch C1 of the RER C.
References