We went to Taittinger on a half day trip to Reims from Paris. Speaking of, this is a bit of a hike from the train station. Give yourself a good hour to get there. Also, you may need to make an appointment for a tour at the tourist center beforehand, depending on the season. They have tours in French, English, Spanish, and German.
As for the actual tour, it is definitely a bit expensive as far as winery tours go, but the history and details of the champagne industry and the chalk caverns are very interesting to learn of. After all of the tour, you will get one glass of champagne per person and get a sales pitch to buy 50+ euro bottles of champagne.
Advice? Do at least one champagne house tour in Reims, but only buy your champagne to bring back home with you. One tour is more than enough. read more