B.F. Clyde's and you can watch the whole process, from the avalanche of apples tumbling off the truck to the clear brown liquid being poured off the press, all inside the little cider house for free.
The press is powered by a small steam engine, the oldest in the country. I love having so much history right in our backyard. It's one of the best things about living in New England, in my opinion.
Be sure to stop in shop afterwards to get yourself a steaming cup!