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.