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Welcome to the

Institut Laue-Langevin

The world leader in neutron science and technology

English French Deutsch 

The Institut Laue-Langevin is an international research centre based in Grenoble, France.

At the leading edge of neutron science and technology, it operates one of the most intense neutron sources in the world. [more]

To know more about ILL, see the FAQ

Site entrance

The site entrance is located at 71 avenue des Martyrs. See interactive map of the site below, and how to travel to the campus on the epn website.

The epn science campus


The European Photon and Neutron science campus in Grenoble hosts ILL, ESRF, EMBL and IBS.

GIANT innovation campus

ILL is one of the founders of the Grenoble 'GIANT' innovation campus. See more information on

June 2016

the neutron scattering e-learning platform is now online!

TSN report (Nuclear transparency and safety)

The TSN 2015 report is available (in French).

Colloquia at ILL

The ILL runs a colloquium series at which prestigious speakers are asked to give exciting and accessible talks of general interest to scientists having a wide range of backgrounds. In the past, ILL colloquia have included the Astronomer Royal, the editor of Nature or Hélène Langevin-Joliot.

More information on past and future colloquia here.

See also list of forthcoming ILL seminars.