OSUZU MALT Chestnut Barrel | 46% ABV | 700ml

The bounty of Miyazaki's mountains, sketched by a "chestnut wood cask"—a rarity in the world of whisky.

■ About Osuzuyama Distillery

Osuzuyama Distillery is located in the mountainous region of Osuzu in Kijo-cho, Koyu-gun, Miyazaki Prefecture. Emerging from a traditional shochu distillery rooted in the area, it matures its whisky in a land blessed with water, where annual rainfall reaches up to 3,000 millimeters. The pristine water, filtered through the mountains of Kyushu over long periods, forms the foundation of this expression.

■ The Distillery’s Commitment

The distinction begins with the raw barley itself. The distillery utilizes barley grown in Miyazaki fields by its own agricultural cooperative, "Yomigaeru Daichi no Kai" (The Reviving Earth Association). The grain is then processed via floor malting (the laborious method of germinating barley by hand)—a time-consuming and demanding practice continued by only a handful of producers today. From cultivation to hand-malting, every step is deeply rooted in the local terroir.

■ The Choice of "Chestnut Casks"

In the whisky world, the use of oak is the global standard for maturation. Departing from convention, this expression utilizes casks constructed from a combination of Miyazaki-grown chestnut wood and American oak. Because chestnut wood has a coarse grain, its wood extractives integrate rapidly into the spirit, imparting a distinctive tannic bitterness and unique sweetness. The defining characteristic of this bottling is how beautifully these wood elements harmonize with the inherent robustness of the malt. Maturing estate-grown barley in locally sourced chestnut wood creates a flavor profile that encapsulates the very microclimate of Osuzuyama—a taste that could only be crafted here.

■ Tasting Profile

Upon pouring, tropical fruit characteristics reminiscent of ripe pineapple and banana emerge, layered with the savory, sweet aroma of caramel from the background. On the palate, a sweetness suggestive of chestnuts and malt develops alongside a faint touch of smokiness. The finish is long and warm. A bittersweet astringency derived from the chestnut wood structures the sweetness, introducing multiple layers of character within the glass. Following 3 years of maturation, any aggressive edges typical of a young spirit have receded, yielding a refined, settled, and composed presentation.

■ Serving Suggestions

Begin by experiencing it neat. Take a small sip to track the aromas as they gradually unfold. The 46% ABV provides a well-balanced framework that securely delivers the sweetness, astringency, and malty texture of the chestnut wood. To open the aroma further, introduce a few drops of water at room temperature. This relaxes the alcohol, releasing hidden notes of fruit, caramel, and a sweet aroma akin to roasted chestnuts. Slowly adding water to discover your preferred dilution ratio is highly recommended.

■ Specifications

• Product Name: OSUZU MALT Chestnut Barrel

• Distillery: Osuzuyama Distillery (Kijo-cho, Koyu-gun, Miyazaki Prefecture)

• Type: Japanese Single Malt Whisky

• Raw Material: Malted barley grown on-site (Yomigaeru Daichi no Kai) and hand-malted via floor malting

• Cask Type: Miyazaki Chestnut Wood + American Oak

• Maturation: 3 Years

• ABV: 46%

• Volume: 700ml

Note: Sale of alcohol to individuals under the age of 20 is strictly prohibited by law.