Producer
Takasago Shuzō was established in 1899 as Kohiyama Shuzō in Asahikawa City, Hokkaido. The brewery was founded by the Kohiyama family during a period of rapid population growth in northern Japan and was the fourth sake producer to open in the region. In 1965, the company merged with Ishizaki Shuzō and officially adopted the name Takasago Shuzō. It remains one of the oldest and most prominent breweries in northern Japan, maintained by a lineage of local leadership currently represented by Naoyuki Isikura and the Kohiyama family.
The production facility is located in the Kamikawa Basin, where it utilizes soft underground water sourced from the Daisetsuzan mountain range, specifically the Chubetsu River basin. The brewery is distinguished by its extreme climate winemaking techniques, most notably the use of an ice dome or igloo (himuro) for fermentation and aging. This structure maintains a constant temperature of approximately -2 degrees Celsius with high humidity, protecting the liquid from oxidation and allowing for a slow, stable maturation process. The brewery focuses heavily on terroir by sourcing over 90 percent of its grain from Hokkaido, utilizing local rice varieties such as Ginpu and Suisei.
The producer is best known for the Kokushi Musō brand, which was launched in 1975 and is credited with initiating a national preference for the dry (karakuchi) style of sake. Another significant label is Ginga Shizuku, also known as Divine Droplets, a junmai daiginjo produced using a rare drip-filtration method inside the ice dome. This technique allows the liquid to separate from the mash via gravity alone, resulting in a refined and aromatic profile. The brewery has received multiple gold medals at the International Wine Challenge and is frequently listed in international wine guides as a leading representative of Hokkaido's craft fermentation culture.