The Main Brewing Hall at Nagano Meijo
The sakagura is the building where the sake is actually made, and at Nagano Meijo in Hachiman, Chikuma, it holds the center of the compound. This is the largest structure on the grounds, a two-storey earthen-walled hall with a tiled roof and a footprint of about 529 square meters, set on a north-south axis. Its interior is organized as two working zones. In the northern half the rice is washed and, at the end of the cycle, the fermented mash is pressed. The southern half is where the mash itself is built up and left to ferment.
Climb to the upper floor and the plan shifts from labor to ritual and care. This level once served as the koji room, where steamed rice is cultured with mold to begin saccharification, and as the shubo room, where the yeast starter is raised. Here too the brewery keeps a small shrine to Matsuo, the deity of sake brewing, watching over the work below.
Why It Is Protected
Registered as a Tangible Cultural Property in December 2014, the brewing hall is the anchor of the Nagano Meijo group, the building that gives the whole compound its purpose. Its core belongs to the late Edo period, roughly 1830 to 1868, and the structure carries the marks of a long working life, with recorded repairs across the Meiji and Taisho eras and again in 1945 and 1967.
A large dozo brewing hall of this scale is uncommon, and its layout reads almost like a diagram of the craft. Washing, mashing, fermenting, and pressing each have their place, and the vertical separation of ground-floor labor from the temperature-sensitive koji and starter rooms above reflects generations of practical knowledge. The building is less a monument than a working machine that happens to be beautiful.
What to Look For
Nagano Meijo was founded by the Wada family in 1689 and is the only sake brewery still operating in Chikuma, now in its fifteenth generation. It brews junmai exclusively, without added distiller's alcohol, and its water comes from the same source that feeds the terraced rice fields of Obasute above the town. The brewery's signature label, Obasute Masamune, dates from the late Edo period, when the house had earlier sold sake under names such as Shosen and Takasago.
The seasonal tour brings visitors into the working heart of this hall, where the smell of steamed rice and fermentation fills the cool air and the rhythm of the brewing calendar becomes tangible. Timing matters. The tour runs only from mid-May to late September, so booking ahead is worth the effort for anyone who wants to stand inside the room where the sake is born.
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Q&A
- Can I see inside the brewing hall?
- Yes, on the guided brewery tour, which runs from mid-May to late September and requires advance booking. The upper floor with the koji and starter rooms is part of the working brewery.
- What is the shrine on the second floor?
- It honors Matsuo, the guardian deity of sake brewing. Small shrines to Matsuo are common in breweries across Japan, placed to watch over the year's production.
- Why is the building split into two halves?
- The north half handles washing and pressing, the south half mashing and fermentation. The division keeps each stage of brewing in its own space within one large hall.
- What sake is made here?
- Only junmai sake, brewed without added alcohol. The flagship is Obasute Masamune, alongside labels such as Seizan and Fujin Raijin.
Basic Information
| Name | Nagano Meijo Brewing Hall (Nagano Meijo Sakagura) |
|---|---|
| Location | 272-5 Nakahara, Yawata, Chikuma City, Nagano Prefecture |
| Designation | Registered Tangible Cultural Property (building), registered 19 December 2014 |
| Structure | Two-storey earthen-walled hall, tiled roof, floor area about 529 square meters |
| Date | Late Edo period (1830 to 1868), repaired in the Meiji, Taisho, 1945 and 1967 |
| Owner | Wada Shuten (operated as Nagano Meijo Co., Ltd.) |
| Access | Guided brewery tour by advance reservation, mid-May to late September |
References
- National Database of Designated Cultural Properties — Nagano Meijo Sakagura
- https://kunishitei.bunka.go.jp/bsys/maindetails/101/00010290
- Nagano Meijo Co., Ltd. — official site
- https://www.obasute.co.jp/
- Japan Heritage Portal — Nagano Meijo Sakagura
- https://japan-heritage.bunka.go.jp/ja/culturalproperties/result/5051/
Last verified: 2026.07.03