Ermont-Halte is a railway station in the commune of Ermont (Val-d'Oise department), France. The station is served by Transilien Paris Nord (line H) trains from Paris to Persan-Beaumont via Saint-Leu-la-Forêt. In 2024, there were 1.1 million passengers. The station has free parking for 200 vehicles. Ermont-Halte is located on the line from Ermont-Eaubonne to Valmondois, that was opened in 1876. The line was electrified in 1970.