Ermont offers a generally walkable environment with a mix of residential and urban areas. The town’s layout and infrastructure make it possible to access local amenities, shops, and services on foot, particularly in central areas. However, some destinations may require longer walks, and the overall experience can depend on the weather, as the region experiences seasonal variations. Sidewalks and pedestrian pathways are present, supporting safe walking, but the suitability of walking as a primary mode of transportation may vary depending on individual preferences and specific destinations within the town.

Biking in Ermont can be a practical way to get around due to its compact layout. The area benefits from cycling-friendly infrastructure, which supports safe and efficient travel by bike. Many destinations within the town are accessible due to its manageable size and connected streets. However, the suitability of biking may depend on individual preferences and the specific routes chosen.

Public transportation in Ermont is well-connected and offers convenient options for getting around. The town benefits from a network of buses and trains, including connections to the Ermont-Eaubonne train station, which serves as a key transit hub. Buses operate frequently and provide access to nearby areas, while train services link Ermont to other parts of the region. The infrastructure supports easy transfers between modes of transport, making public transit a practical choice for navigating the area.