The RER C offers a train connection between Paris (Champs de Mars-La Tour Eiffel, Pont de l’Alma, Invalides, Orsay Museum, Saint-Michel Notre Dame, Library F. Mitterrand, Paris-Gare d’Austerlitz, Le Palace of Versailles) and Pont de Rungis-Orly Airport station.

A single calendar day card that provides unlimited rides on the transport system of the Ile-de-France region for a stated number of calendar days. This covers the Metro, RER (express regional trains), bus, tramway, funiculaire de Montmartre, Montmartrobus, Noctambus (night bus) within a given fare zone.

RER (Réseau Express Régional) is basically a part of the metro system aimed at travellers to or from the Parisian suburbs. If you have a look at the maps (see www.ratp.fr) you will see that the RER connects the suburbs and surrounding area (airports, disneyland, etc) to Paris.

GARE DU NORD
The Busiest Métro Stations in Paris

Overview. Paris Metro lines are identified by numbers: Lines 1 – 14 run primarily within the city limits. RER lines are identified by letters: Lines A, B, and C run from the city center to the suburbs and the Paris airports. Travelling outside the city on the RER, requires a more expensive ticket.

The Metro can be the quickest and easiest way to travel short distances, but for longer distances, the RER is faster. RER trains run less frequently and once outside the city lines may diverge so you must be sure to choose the line with the correct end station (especially important when going to the airport).

To make your journeys easier, RATP provides you with all the maps for the metro, RER, tram and bus lines that make up the Paris transport network. They are interactive and downloadable in PDF format.

Unlike the Paris metro system which covers only 2 Zones, the Paris RER trains cover 5 Zones all around Ile-de-France, the province which contains Paris. The Paris Regional RER train system connects major tourist destinations and ports of entry to the heart of Paris, near St. Michel – Notre Dame.

RER C connects the city of Pontoise in the north, to Versailles, Saint-Quentin-en-Yvelines, Dourdan-la-Forêt and Saint-Martin-d´Étampes in the south, through the city center of Paris.It also serves the Eiffel Tower, the Palace of Versailles and Notre-Dame Cathedral. YOU CAN FIND MORE INFORMATION ON RER C HERE

Discover the Île-de-France RER map. Our interactive RER network map is designed to make your journeys easier; it is available online and downloadable in PDF format.”