We have a quick stop in Epernay in late August. We arrive at 11:49am and leave at 4:32pm. Moet Chandon is booked with the exception of a tour that starts at 3:30pm. It's my understanding Moet & Chandon is pretty close to the train station, but I also know the tour is "suppose" to last 1 hour. Would it be possible to take a tour starting at 3:30pm and leave the tour at 4:15pm? Or do they seclude you in a way where you can't leave until the tour is over? Of course the agent at Moet Chandon said there is not enough time and we can't leave the tour so I'm beginning to accept that a visit to the cellar may not be possible. Is it possible to just visit the tasting room at Moet & Chandon?
I see Mercier is another popular cellar to visit and no reservations are required (I think?). Are there any other recommendations of cellars that can be seen during a short visit to Epernay?