| Ermont | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Ermont 95.svg |
| Map Size: | 270px |
| Adjustable Map: | Ermont_map.png |
| Map Caption: | Location (in red) within Paris inner and outer suburbs |
| Arrondissement: | Argenteuil |
| Canton: | Ermont |
| Intercommunality: | CA Val Parisis |
| Mayor: | Xavier Haquin[1] |
| Term: | 2020 - 2026 |
| Insee: | 95219 |
| Postal Code: | 95120 |
| Elevation Min M: | 43 |
| Elevation Max M: | 65 |
| Area Km2: | 4.16 |
| Coordinates: | 48.9922°N 2.2603°W |
| Population Demonym: | Ermontois·e |
Ermont (in French pronounced as /ɛʁmɔ̃/) is a commune in the Val-d'Oise department, in the northern suburbs of Paris, France. It is located 17.2km (10.7miles) from the center of Paris. It has around 28,000 inhabitants, which makes Ermont one of the most important cities in Val d'Oise. Ermont has experienced rapid urbanization thanks to railway transport and industrialization, with the population of Ermont being just 9000 after the Second World War to now more than 28,000.
Ermont is served by Ermont - Eaubonne station which is an interchange station on Paris RER line C, on the Transilien Paris-Nord suburban rail line, and on the Transilien Paris-Saint-Lazare suburban rail line.
Ermont is also served by Cernay station which is an interchange station on Paris RER line C and on the Transilien Paris-Nord suburban rail line.
Finally, Ermont is also served by two stations on the Transilien Paris - Nord suburban rail line: Ermont-Halte and Gros Noyer–Saint-Prix.
See also: List of twin towns and sister cities in France. Ermont is twinned with:[2]
Adria, Italy
Loja, Spain
Longwan (Wenzhou), China
Maldegem, Belgium
Świdnica, Poland