Getting around Cergy-Pontoise
Cergy-Pontoise is a new town and agglomeration community northwest of Paris, on the river Oise, spread across the Val-d'Oise and Yvelines departments. It takes its name from two of the communes it covers, Cergy and Pontoise, and it was created in the 1970s as one of the new towns built to balance the growth of Paris. Because it is a planned town rather than a single historic city, getting around means moving between several distinct centres — the newer quarters around Cergy and the older town of Pontoise among them — so it pays to think in terms of the public transport network rather than walking everywhere.
Rail, RER and the wider network
Rail services in Cergy-Pontoise are provided by both SNCF and RATP, and two RER lines begin within the new town. That makes the RER the backbone of longer trips into and out of the area, including connections toward Paris. For a visitor, the practical upshot is that the main hubs are served by regional rail, so you can base yourself near a station and reach the rest of the agglomeration and Paris by train.
- Two RER lines start inside the new town, so the area is a terminus rather than a through-stop on those routes.
- Services are run jointly by SNCF and RATP, so the operator can vary depending on which line you use.
- For schedules and network information, the Transilien website and the Île-de-France Mobilités app are the standard references.
Buses and local public transport
Local bus services are provided by Stivo, formerly known as StAN. Buses are the main way to move between the different parts of the agglomeration once you are off the rail lines, and they also provide some direct links beyond the town — including a direct service from the airport.
- Stivo operates the local bus network across Cergy-Pontoise.
- Buses are useful for reaching districts and campuses that are not right on a rail station.
- Some routes run as direct connections to destinations outside the agglomeration, so it is worth checking whether a single bus can replace a multi-leg train trip.
Taxis and ride-hailing
Taxis are available as an option for getting around and for reaching Cergy-Pontoise from the airport. They are the most flexible choice when you are carrying luggage, arriving late, or heading somewhere not well served by the bus and rail network. Ride-hailing apps are widely used in the Paris region generally, though the source material here specifically documents taxis rather than app-based services, so treat taxis as the confirmed option and check app availability locally if you prefer that route.
Walking
Cergy-Pontoise covers a broad area, and its centres are spread out rather than packed into one continuous grid. Walking works well within an individual quarter — for example, between a station and nearby shops, campuses or riverside paths — but it is not a realistic way to cross the whole agglomeration. Plan to combine walking with the bus or rail network for anything beyond a single district, and expect some walks to be longer than they look on a map, such as the walk from a bus stop to a campus.
Getting in from the airport
The main airport for reaching Cergy-Pontoise is Paris Charles de Gaulle (CDG). There are two practical public transport options, plus taxis.
- RER A: Take the RER A westbound, in the direction of Cergy-le-Haut, and get off at Cergy Préfecture station. The fare is €14. Check times on the Transilien website or the Île-de-France Mobilités app.
- Bus 95-18: A direct bus from CDG to Cergy-Préfecture, with a journey of roughly one hour. The fare is €2.50 and you need exact change, as the driver does not give change. At CDG, board at Terminal 3, Roissypôle bus station, Platform G1. The service runs regularly, from early morning until late evening on weekdays and over a slightly shorter window at weekends. A full schedule is available as a PDF from the source page. Note that the bus stop is a 10–15 minute walk from the ESSEC campus.
- Taxi: A taxi is also an option for the airport run, offering a direct door-to-door trip.
Practical tips for visitors
- Pick your base around a rail or bus hub — Cergy Préfecture is the key arrival point from the airport and a useful anchor for the network.
- For airport travel, the bus is the cheapest option but requires exact change; the RER is faster and more frequent but costs more.
- Use the Île-de-France Mobilités app or the Transilien website to check times, since schedules vary between weekdays and weekends.
- Allow extra time for the walk between stops and your final destination, especially around campuses.
- Combine modes: rail for longer hops, Stivo buses for local connections, and walking within a single district.