Photo : Pauline Perret
Halloween under Paris: a scary night at the Sewer Museum
On Saturday, October 31, 2026, the Paris Sewer Museum invites the public to experience Halloween differently, a few meters below the capital. At nightfall, three guided tours will allow you to discover an unknown world, between heritage, urban history, and a mysterious atmosphere.
Musée des égouts de Paris (Paris 7th)
About
Discover Paris from a different angle
Under the quays, squares, and grand boulevards, Paris preserves an exceptional underground network. A true technical feat and a witness to the city's history, the sewer network has contributed since the 19th century to the health, operation, and modernity of the capital.
On the occasion of Halloween, the night tour offers an unusual opportunity to explore these galleries in an atmosphere that is both fascinating and slightly mysterious.
Three guided night tours
The special Halloween night event will take place on Saturday, October 31, 2026, with three guided tour slots:
- 6:30 PM
- 7:30 PM
- 8:00 PM
Over the course of a one-hour journey, visitors will discover the history of the Parisian sewage system, the daily lives of the men and women who maintain it, and the fauna that inhabits these underground spaces.
Our take on this event
Forget conventional haunted houses and venture into the city's hidden industrial belly. This unique night tour explores the labyrinthine network beneath the boulevards, offering a mix of history and eerie atmosphere for the truly curious. It is the perfect plan to see a darker, subterranean side of the capital after dark.
Descend beneath the streets of Paris this Halloween for a haunting nocturnal experience at the Musée des égouts de Paris. On Saturday, October 31, 2026, visitors are invited to explore the capital's historic underground sewage network in a uniquely mysterious atmosphere. Through guided tours lasting one hour, you will discover the engineering marvels that have kept the city running since the 19th century and learn about the hidden wildlife inhabiting these tunnels. Open to children from 5 years old and fully accessible to wheelchair users, this event offers a rare glimpse into the fascinating, shadowy depths of the city.
The Musée des égouts de Paris hosts a special Halloween night on Saturday, October 31, 2026. Guests can choose from three guided tour slots available at 18:30, 19:30, and 20:00. Each tour lasts approximately one hour, providing an immersive look at the complex subterranean infrastructure beneath the city's famous boulevards.
During the visit, you will learn about the history of the Paris sanitation system and the daily efforts of the workers who maintain it. The route also highlights the specific fauna that thrives within these underground galleries. It is a perfect opportunity to see the capital from an unusual, slightly eerie perspective.
The event is held at the Pont de l'Alma in the 7th arrondissement. Participation is ticketed and requires payment. The venue is fully accessible to visitors in wheelchairs, and children are welcome starting from age 5.
