Claude Monet’s house and gardens, aka Fondation Claude Monet, will reopen to the public after the winter break on March 29, 2024.
It will be the Easter week-end, so it may be quite busy on the first days.
To save time, make sure you buy your admission tickets ahead of time.
Here is the link: http://giverny.org/gardens/fcm/ticket/
Happy trip planning!