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An international partnership

The Institut Laue-Langevin (ILL) is the world's leading facility in neutron science and technology. It operates the most intense neutron source on earth in Grenoble in the south-east of France.

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What is the ILL?

An international partnership for science

The ILL is governed by its Associates, the founding countries:

in association with its Scientific Member countries (listed below in chronological order of accession):


(*) These three countries are members of the Central European Neutron Initiative (CENI).
(**) These three countries form the Trans-National Neutron Initiative Consortium (TRANSNI)