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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

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

ILL celebrates its 50th anniversary

On 19 January 2017 the ILL celebrated its 50th anniversary, in the presence of Mr Thierry Mandon, French Secretary of State for Higher Education and Research, Mr Nikolaus Meyer-Landrut, German Ambassador to France, Rt Hon Lord Llewellyn, British Ambassador to France, and many prominent personalities from the world of European research.[more]


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).