Hi. Sorry for the delay as I rarely look at the app. I don't think there is a set time/day. I might be wrong. We had the choice of waiting a couple of hours for an English one or a French one immediately. We just went with the French and even with my limited French and the accompanying literature it was fine. The wine tasting was awesome, didn't appear to be a limit. and the wine in the shop is as cheap as chips. Enjoy.
There is an English tour each day it's open. We had just missed it and it was too long to wait for the next one so we joined the French student group and we got the jist of things thanks to my limited French
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