The Diderot Library is home to some 1.2 million documents and electronic resources that can be consulted by students, teachers and researchers from Lyon and its region.

The Diderot Library is deployed on two campuses, Descartes and Monod.


The Diderot Library on the Monod campus is currently closed for works. The reopening is scheduled in the fall of 2021. A temporary library will be opened from the March 9, 2020, at the 2nd floor of the M7 building (room M7.202).

On Descartes Campus

Find the main library for

  • literature, languages, humanities and social sciences,
  • the arts
  • specialized research collections
    • collections of excellence for research in education (CollEx)
    • Oriental Asian library of the Institut d'Asie orientale
    • Slavic collection and the research documentation center
    • heritage collections of the University of Lyon
    • collections of LSH research laboratories located at the Research Documentation Centre (CDR, Descartes site research building, D4).
  • video library
  • map library



5, parvis René Descartes, Lyon 7e (Debourg metro)

Monday to Friday: 9am - 6pm
Saturday: 9am - 5pm

Extended hours for ENS students with a badge:
evenings, Sundays and holidays For more information, visit the library website

On Monod Campus

Find the science collections

  • mathematics
  • computer science
  • physics
  • chemistry
  • biology
  • Earth sciences


46, allée d'Italie, Lyon 7e (Debourg metro)

Monday to Friday: 9am - 6pm
Saturday: closed

Access conditions for external readers:
go to the ENS Monod reception desk ans ask for a day pass.
ENS members can access with their badge:
Monday to Sunday from 8am to 11.30pm