Visitors' club

The ILL User Club

Welcome to the new ILL User Portal!

The ILL User Club provides online access to all the information and administrative tools for our scientific visitors.
Users with particular responsibilities have privileged access to other tools, according to their role.

Click here to sign in

Messages from User Club:
  • Following the French Government reinforcement of measures to prevent the spread of the coronavirus ('stade 3'), the ILL site is closed. Any experiments that were due to take place until 15th May 2020 have been postponed. Any accommodation linked to these experiments has also been cancelled. If your travel plans have therefore been affected, please submit a Reimbursement Claim Form to our Travel Claims Team ( Further information about rescheduled experiments will be available in due course.
  • From the 1st September 2019, the ILL began introducing administrative screening ('criblage') for all persons requiring access to building ILL5 (Level C and D).
    Once the screening application has been validated and access granted, an information message will be added to your personal data on your User Club account. More information here:
  • The User Club is open for proposal submission all year (unavailable for a couple of weeks after the proposal deadlines).
    Next Proposal deadline: 15 September 2020 (midnight central European time)
To take full advantage of the new 'User Club' functionalities, please update your browser to the latest version.