Paris souterrain guide - activities

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Parvis de Notre-Dame de Paris: the former underground parking lot transformed into an indoor promenade

With Notre-Dame Cathedral due to reopen in December 2024, the area around the building is to be redeveloped, with work scheduled to start in autumn 2025. While the creation of a large square is on the agenda, the City of Paris also reveals that the underground parking lot, located beneath the forecourt, will be transformed into an "interior promenade". We tell you all about it.
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The Musée des Égouts de Paris (Paris Sewers Museum): discover the underbelly of the capital

The Musée des Égouts de Paris is one of the capital's most cult and unusual experiences, where you can wander six feet underground in a slightly damp atmosphere!
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Unusual: Visit the ancient Lutetia thermal baths and their underground galleries in Paris

Did you know? In Paris, you can immerse yourself in antiquity with a visit to the Roman baths in what was once northern Lutetia. Visit the Musée de Cluny to discover these ancient baths during weekend tours.
La Station cinéma : quand la RATP et le 7e art se rencontrent à la Porte des LilasLa Station cinéma : quand la RATP et le 7e art se rencontrent à la Porte des LilasLa Station cinéma : quand la RATP et le 7e art se rencontrent à la Porte des LilasLa Station cinéma : quand la RATP et le 7e art se rencontrent à la Porte des Lilas

Did you know? There are a dozen ghost stations in Paris. Do you know them?

While many Parisians take the metro every day, few are aware that the capital is home to a dozen ghost stations. Operated then finally abandoned or never opened... what are these ghost stations and where are they located in Paris? We tell you all about them.
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Did you know? The Opéra Garnier houses a hidden artificial lake

An artificial lake hidden in the underground passages of the Opéra Garnier in Paris? No, it's not an urban legend, but reality. So why is it there, and can you visit it? We tell you all about it.
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Ghost metro stations: discover why Gambetta station is unique in Paris

Served by lines 3 and 3bis of the Paris metro, Gambetta is located in the 20th arrondissement, west of Paris.
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The Catacombs of Paris, an unusual visit to the bowels of the capital

Have you ever ventured into the Catacombs of Paris? Let's go and discover this creepy brown place, known to all but where most have never been. A fascinating and historic site, a guided tour of the Catacombs is well worth the detour, as well as keeping you cool on hot days.
Le saviez-vous ? Des trains miniatures se cachent sous la Gare de l'Est !Le saviez-vous ? Des trains miniatures se cachent sous la Gare de l'Est !Le saviez-vous ? Des trains miniatures se cachent sous la Gare de l'Est !Le saviez-vous ? Des trains miniatures se cachent sous la Gare de l'Est !

Did you know? Model trains lurk beneath the Gare de l'Est!

There's no shortage of hidden places in Paris. Under the Gare de l'Est train station, you can walk along tracks 4 and 5 on a world of miniature trains, run by the Association Française des Amis des Chemins de Fer.
La Crypte archéologique de Paris sous Notre-Dame rouvre ses portesLa Crypte archéologique de Paris sous Notre-Dame rouvre ses portesLa Crypte archéologique de Paris sous Notre-Dame rouvre ses portesLa Crypte archéologique de Paris sous Notre-Dame rouvre ses portes

The Paris archaeological crypt under Notre-Dame Cathedral

The archaeological crypt beneath the forecourt of Notre-Dame in Paris is a real step back in time. Here's what to expect when you visit.
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Did you know? There is a subway washing machine in the Paris underground.

Have you ever seen a metro go through the washing machine? Under our feet, between Nation and the maintenance workshops on line 2, our trains are regularly sprayed to keep them clean!
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Did you know? There is a ghost metro station under the Parc des Princes.

Paris-Saint-Germain fans wouldn't have minded a metro station just a stone's throw from the Parc des Princes. But for security reasons, Porte Molitor never opened and is now one of Paris's ghost stations!
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Did you know? This metro stop is the largest ghost station in Paris.

If you squint your eyes as you pass between Strasbourg-Saint-Denis and République stations, you might see the ghostly station of Saint-Martin, the largest of the 12 abandoned stops on the Paris metro!
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Did you know that? A monster is hiding in the underground of La Défense

While tens of thousands of people from the Paris region rush to La Défense every day to go to work, a monster has been lurking in the underground passages of the business district since 1973! We tell you the incredible story of the "Monster" by Raymond Moretti.
Visite de la « cathédrale engloutie » à La Défense, nos photosVisite de la « cathédrale engloutie » à La Défense, nos photosVisite de la « cathédrale engloutie » à La Défense, nos photosVisite de la « cathédrale engloutie » à La Défense, nos photos

Paris Face Cachée 2023: we visited the "sunken cathedral" in the underground of La Défense

A world-famous business district, Paris La Défense also hides some well-kept secrets. For example, have you ever heard of the "sunken cathedral"? As part of Paris Face Cachée, we visited this place, which is unknown to the general public and hidden in the underground of the Hauts-de-Seine, a stone's throw from the capital.
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Did you know? Châtelet-Les Halles is the world's largest underground station.

Who hasn't got lost in the Châtelet-Les Halles metro station? You've got a good excuse, because this underground station is the biggest in Europe, and even in the world - a real labyrinth!
Paris : la station de métro Marx Dormoy, en rénovation, vous dévoile ses vestiges des années 1960Paris : la station de métro Marx Dormoy, en rénovation, vous dévoile ses vestiges des années 1960Paris : la station de métro Marx Dormoy, en rénovation, vous dévoile ses vestiges des années 1960Paris : la station de métro Marx Dormoy, en rénovation, vous dévoile ses vestiges des années 1960

Paris: the Marx Dormoy metro station under renovation unveils remnants from the 1960’s

The renovation of the Marx Dormoy metro line 12 station in Paris unveils remnants from the 1960’s. when commuting on the RATP network, stop by this station in the 18th arrondissement, on the platform towards Aubervilliers to enjoy the station’s historic walls, uncovered until September 30, 2022.
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The Cinema Station: when RATP and the 7th art meet at the Porte des Lilas

This ghostly station located at Porte des Lilas, in Paris, could have a place at the Cannes Film Festival: countless films, commercials and video clips have been shot there, just a stone's throw from the metro passengers. Discover the Cinema Station, the most mysterious and magical place of the RATP.
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History: these WWII bunkers hidden under Paris

Are you ready to discover what is hiding beneath your feet? Before the Second World War, many bunkers were built in the depths of Paris, and can still be visited today for special occasions.
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Did you know? 3 unusual anecdotes about the Paris catacombs

The Catacombs of Paris are among the capital's most mysterious places. But how much do you really know about these ancient Parisian quarries? We reveal three unusual anecdotes about the Catacombs of Paris!