Archeological Crypt of Île de la Cité Entry Tickets

Journey beneath Notre-Dame Cathedral and explore over 2,000 years of Parisian history with entry to the Archeological Crypt of Île de la Cité.

Getting started

Begin your visit at the crypt entrance, located near Notre-Dame’s main façade. Present your ticket for validation and proceed through a brief security check before heading underground to start your self-guided exploration.

What to expect

Archeological Crypt of Île de la Cité

This archaeological site reveals the layered history of Paris, from ancient Lutetia to the modern city. Located in the heart of the city, the crypt offers a rare look at the remains that shaped Paris’s evolution.

Features

• Gallo-Roman and medieval remnants: View ancient walls, fortifications from 308 AD, and traces of luxurious 3rd-century dwellings that highlight the city’s strategic and social past.

• Preserved quay section: See the only surviving part of Lutetia’s ancient port, offering insight into the city’s river trade and urban development.

• Hôtel-Dieu and medieval houses: Discover underground remains of Paris’s oldest hospital and residential structures, reflecting daily life through the centuries.

• Gallo-Roman bathhouse: Encounter the remnants of a historic bathhouse, illustrating Roman influence on Parisian life.

• Urban transformations: Follow displays that trace Paris’s architectural and urban changes from the XVIIIth century to today.

Know before you go

What to bring

• Bring a valid photo ID to match the name on your booking if requested at the entrance.

What’s not allowed

• Flash photography is not allowed inside the crypt and exhibition spaces.

• Meals and beverages are not permitted inside the premises.

• Personal tour guides are not included with your ticket.

Accessibility

• The crypt may not be fully accessible for wheelchair users or those with limited mobility due to stairs and uneven surfaces.

Additional information

• Your ticket includes entry to the crypt and all current exhibitions.

• The crypt is located beneath Notre-Dame Cathedral, in the historical heart of Paris.

• Please wear comfortable shoes, as the visit involves walking on uneven surfaces and stairs.

• Children must be accompanied by an adult at all times.

• The site showcases archaeological remains and exhibitions detailing over 2,000 years of Parisian history.