GRYC website uses cookies. All cookies used in our website are essential except those dedicated to audience analytics, which allow us to analyze visits on our website. Note that we use a self-hosted Matomo system for managing audience analytics, all the data is anonymized and it will not be distributed to any third party resources.

• By clicking on Accept all button, you consent to the use of essential and non-essential cookies on our website and the audience analytics tool will be turned on.
• By clicking on Only essential button, only essential cookies dedicated to session management will be used and the audience analytic tool will be turned off.
• If you want to disable all cookies including essential ones, it can be done from your web browser global settings, but note that without essential cookies, our website will not work properly, and this message will be displayed every actions.