SAKE BREWERY · NAGANO
宮坂醸造（真澄）
Photo: At1973 / CC BY-SA 4.0
- Type
- Sake Brewery
- Location
- Nagano · Suwa
- Region
- Koshinetsu
- Founded
- 1662
- Official site
- www.masumi.co.jp ↗
03 — RECORD
A sake brewery in Suwa, Nagano, founded in 1662. Its official site describes it as the brewery where Kyokai No. 7 yeast originated.
04 — LOCATION / LAND
Regional overview — not producer-specific
Sunlit basins and snow-bound plains.
Yamanashi, Nagano and Niigata: mountain-ringed basins alongside snowy plains opening onto the Sea of Japan — vineyards and rice paddies within a single region.
05–07 — INGREDIENTS · WATER · PRODUCTION
General ingredients and processes of sake. This producer's own water source, ingredients and methods will be added once confirmed from official information.
Representative drinks
Gallery
Stacked straw-wrapped Masumi komodaru barrels
Red "Masumi" noren curtain beneath a sugidama at the Cella Masumi entrance
Photo: Ina-valley / CC BY-SA 4.0 · 諏訪市（長野県）
Masumi bottles chilling in wooden tubs on the Cella Masumi tasting counter
Photo: Ina-valley / CC BY-SA 4.0 · 諏訪市（長野県）
A bottle of Tokusen Masumi honjozo on display at Cella Masumi
Photo: At1973 / CC BY-SA 4.0 · 諏訪市（長野県）
Water jar with a bamboo ladle in the tasting corner of Cella Masumi
Photo: At1973 / CC BY-SA 4.0 · 諏訪市（長野県）
Tours, shops, opening hours, reservations and tastings change over time, so they are not listed here. Please check the producer's official website for current information.
Related producers
SOURCES
Last verified 26 September 2026
- 1真澄 蔵元 | 宮坂醸造株式会社（信州諏訪 7号酵母発祥の酒蔵）宮坂醸造 · Official · accessed 2026-09-26
PHOTO CREDITS
All image credits →- 1Sugidama at Miyasaka Brewery — At1973 · CC BY-SA 4.0 · Wikimedia Commons
- 2Masumi komodaru barrels — At1973 · CC BY-SA 4.0 · Wikimedia Commons
- 3Entrance of Cella Masumi — Ina-valley · CC BY-SA 4.0 · Wikimedia Commons
- 4Cella Masumi tasting room — Ina-valley · CC BY-SA 4.0 · Wikimedia Commons
- 5Tokusen Masumi honjozo — At1973 · CC BY-SA 4.0 · Wikimedia Commons
- 6Water jar at Cella Masumi — At1973 · CC BY-SA 4.0 · Wikimedia Commons