It is midway between Saint-Michel-Notre-Dame and Luxembourg on Line B.
The RER doesn't go anywhere near the Moulin Rouge - the nearest métro station is called Blanche.
The RER train line from Paris is the RER "A" branch, towards "Marne La Vallée - Chessy - Parcs Disneyland". You can board in Paris "Chatelet les Halles" or "Gare de Lyon". The arrival station is in walking distance from the entrance of the parks (or you may use the shuttles as well)
The address is in Maisons-Lafitte, which is outside the Metro area. It does, however, have an RER station: From Paris Gare de Lyon, take RER A, direction Poissy or Cergy, stop at Maisons-Laffitte
== == Disneyland Paris is served by the RER Marne La Vallee Chessy station. One needs to use the RER-Line A. The nearest RER station to the Louvre where one can board RER-Line A is the Châtelet - Les Halles (Paris RER station). The Louvre is about 1.5km (one mile) to the Châtelet - Les Halles (RER station). One can walk. If one wants to use the metro, then go to the Palais Royal/Louvre metro station; take either Line 1 or Line 7; go to/get off at the Chatelet metro station, and board the RER-Line A to Marne La Vallee Chessy.
To travel from Paris Metro to CDG airport, you can take the RER B train line from any Metro station that connects to the RER B line. The RER B train goes directly to CDG airport, with several stops along the way. Just follow the signs for RER B at the Metro station and purchase a ticket before boarding the train.
Auber - Paris RER - was created in 1971.
Champigny - Paris RER - was created in 1859.
== == The closest RER station is Chatelet-Les Halles; the closest train depot would be Gare d'Austerlitz or Gare de Lyon. The closest metro stop is Palais Royal.
ALL RER stations in Paris are underground, and some in the suburb too. out of Paris, most RER stations are ground level or elevated.
RER Pont du Garigliano is nearest, then Metro Lourmel.
You take the train to Paris-Austerlitz and then take the RER Ligne C (Direction Versailles)
To travel from Charles de Gaulle Airport (CDG) to Montparnasse train station in Paris, you can take the RER B train from the airport to Denfert-Rochereau station, and then transfer to the RER line C to reach Montparnasse station. The journey takes approximately 1 to 1.5 hours.