Niigata is one of the leading sake producing areas of Japan. There is also a traditional Sake brewery near BOOK INN, you can visit the sake brewery and join a tour with a Sake tasting at the end. No reservation is necessary for small groups of up to 7 people. English tours are also available. Please ask the front desk if you are interested.
sake brewary
Here is the Sake Brewery “Imayo-tsukasa”home page.