What is M and RER in Paris?

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. When you enter the Metro, you must choose which direction you will travel.



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The RER Paris takes the same tickets and the same passes as the Metro — within central Paris. That's an important distinction, because if you want to go outside of central Paris, you will need a different ticket. (The same applies to Metro tickets.)

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Paris RER Tickets When taking a RER train strictly within central Paris Zone 1 (visible in the first RER Map), you can use basic Paris Metro tickets for travel on the RER. Travel beyond Paris Zone 1 on the RER requires a special ticket: a Billet Ile-de-France.

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A standard tariff ticket (T+) allows you to travel on any metro or RER line inside the city limits (any Metro station and/or RER stations in Zone 1). Travelling outside the city on the RER, requires a more expensive ticket. Free maps are available from the ticket counter in every station.

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Only multi-use Paris Metro/RER passes can be purchased online ahead of time. Single use RER tickets such as for the RER B from CDG to Paris, can only be purchased at ticket windows, offices and vending machines within Paris.

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You can also take Line 6 (green) to Bir-Hakeim Station (8 mins) or Line 8 (purple) to the École-Militaire Station (14 mins). From each of these stations, you can simply walk to the Eiffel Tower. You can travel to the Eiffel Tower on line C of the RER. You can get off at the Champ de Mars station.

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Paris RER tickets and fares 2023 Adult fare €11.45 walk-up price/€12.40 online with additional booking fee. Child 4-9 €8 walk-up/€8.80 online. CDG Airport is in zone 5 of the Paris public transport system. There are a number of Paris public transport passes (see below).

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Cost of Public Transportation in Paris A single ticket for zones 1 and 2 costs 1.90€. A great idea is to buy a Carnet of 10 tickets for 14.50€. These can be used throughout your stay with no expiration date. Children under the age of 4 ride free.

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However, if you have the Paris Pass on your vacation you can use the public transport network of the city (bus, RER, metro or streetcar Montmartre tram) for free within zones 1-3. The Eiffel Tower is located in Zone 1.

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Métro. The Metro is the easiest, least expensive and quickest way to go out and to get home. Fourteen lines crisscross Greater Paris, from east to west and north to south. Good to know: As part of certain celebrations and events (New Year's Eve, Fête de la Musique, etc.), the Metro is open—and free—most of the night.

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The Navigo Daily Pass. It is valid for one day, from 12 am to 11.59 pm. You can buy this pass up to 6 days in advance, and it will start working after the first validation and until the end of the metro service that same day. The cost of this pass is 8,45€ (zones 1-2, 2-3, 3-4, 4-5), and 20,10€ (zones 1-5).

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Tipping in France is not mandatory. Even though it is always appreciated, it's up to the customers to decide if they want to tip or not. Unlike other countries, the price of the service is included in the total cost of the bill. You will never be asked to tip, but it's common to leave one if the service was good.

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Yes, tap water in Paris is perfectly safe to drink and is readily available wherever you go, even at public water fountains. As long as taps aren't labeled eau non potable—meaning “not for drinking” in French—everything else is potable. In fact, drinking water from the fountains of Paris has been encouraged.

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Some of the main RER stations in Paris are St-Michel, Charles de Gaulle-Etoile, Auber, Les Halles, and all of the train stations like Gare de Lyon and Gare Montparnasse.

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Getting to the Eiffel Tower by train The closest station to the Eiffel Tower is Champ de Mars/Tour Eiffel. You can take Metro or RER services to this stop. Then, simply hop off and stroll for less than ten minutes along the Seine to get to the monument.

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Single tickets (t+ ticket) and carnets or books of ten tickets. The RATP run the Metro, RER, buses and trams within Paris and a single ticket can be used on any of the four modes for a single journey.

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