The workshop dinner is scheduled for Tuesday evening - June 4th at the restaurant Bois July in Crozet - France. ( https://www.boisjoly.com/). It's about 15min drive from CERN Prévessin up in the Jura mountains with beautiful view of he Le Man basin.
Proposed menus : http://www.boisjoly.com/wp-content/uploads/2019/02/Menu-repas-entreprise.pdf. (2nd page)
