Japan Whisky Press

Ontake distillery: how shochu maker Nishi Shuzo makes whisky

Written by

KEYAKI

in

Ontake (御岳) distillery is the whisky arm of Nishi Shuzo (西酒造), a Kagoshima shochu producer founded in 1845 and best known in Japan for its Hozan (宝山) sweet-potato shochu. The distillery sits roughly 400 meters up on the Satsuma Peninsula, looking across Kagoshima Bay to Sakurajima, and has been distilling malt since December 2019. Its first single malt came out in December 2023. What makes Ontake worth understanding is not the view, though. It is the way a company that has spent 180 years managing yeast and fermentation for shochu has approached malt whisky, and the unusually specific choices it has made about casks.

This guide works from the company’s Japanese-language material and Japanese trade visits to answer two questions English coverage skips: what a shochu maker’s fermentation habits change in the spirit, and how to tell the Ontake releases apart.

Why a shochu house built a whisky distillery

Nishi Shuzo’s own explanation is short. On its product pages the company says it began whisky out of a plain wish to “master fermented drinks,” listing shochu, wine, whisky and sake together. It also says that for more than 20 years it has kept in contact with winemakers and whisky and gin distillers around the world, on the view that a shochu maker should not limit what it learns to shochu. The company now also makes Gladstone Urlar wine in New Zealand and, since 2020, Tenbu (天賦) sake.

According to staff who hosted a 2023 visit by the Saitama whisky retailer Acorn, the company sees all four categories as the same craft: “they are all made by fermentation.” The stated goal is to become a group of craftspeople who master fermentation. The same account says the push toward whisky started when company president Yoichiro Nishi (西陽一郎), the eighth-generation head of the house, tasted a 1960s Macallan and wanted to make something in that direction. Learning that the whisky he admired had been aged in used sherry casks shaped how Ontake would later buy its wood. This is how the staff tell the story; the company’s own pages do not repeat the Macallan detail, so treat it as the distillery’s account rather than a documented milestone.

Nishi Shuzo also had a practical head start. Its shochu brand Tenshi no Yuwaku (天使の誘惑) has been aged in sherry butts for roughly 25 years, and staff told Acorn that this long relationship is why the company could secure genuine sherry casks for whisky when many new Japanese distilleries struggled to source them. The first Ontake bottling carried a line that sums up the ambition: the aim is not to “target the world” but to make a whisky “the world targets.”

The site: why 400 meters above Kagoshima Bay

The name comes from the view. Ontake is a local name for Sakurajima, the active volcano across the bay, and the distillery was named for being the place from which you can see it. The site is on a large area of hill country in Shimofukumoto, on the southern edge of Kagoshima City, next to a golf course that Nishi Shuzo has been redeveloping. The company describes the wider property as about 300 hectares.

Two production reasons explain the location, and both come directly from the company. First, temperature. Kagoshima is one of the warmest whisky regions in Japan, and fast, hot maturation can make young spirit taste woody before it tastes finished. Nishi Shuzo says the hilltop stays cool even in the hot season and is “suited to storage.” Staff told Acorn it runs two to three degrees Celsius cooler than the surrounding area, and that finding the land took about seven years. Second, water. The company says soft water, filtered over a long period through the surrounding forested hills, rises from roughly 300 meters underground at more than 1,000 liters a minute. The Tokyo retailer IMADEYA, reporting on a 2025 visit, was told the idea of making whisky had been in the company’s plans for around 30 years before the land came together.

How Ontake makes its spirit

This is where the shochu background shows. The distillery uses non-peated two-row barley malt, sourced mainly from the UK, with additional malt from Belgium and Australia, according to both the Acorn visit and the Japanese Whisky Information Center (JWIC) database run by Japan’s Whisky Culture Institute. Staff mentioned hopes of using Kagoshima-grown barley in future. Each mash uses one ton of malt.

Yeast from a shochu library

At its shochu brewery, Nishi Shuzo keeps more than 100 yeast strains frozen at minus 80 degrees Celsius and changes strain by product, working backward from the aroma it wants. Ontake uses yeast selected from that same collection, grown in-house as a liquid culture rather than bought as dried distillers’ yeast. The company presents this as its main inheritance from shochu, and it is the clearest difference between Ontake and a distillery that starts from a catalog yeast.

Stainless steel on purpose

Many Japanese craft distilleries use wooden washbacks for the lactic bacteria they harbor. Ontake considered wood and chose stainless steel. Staff explained the reasoning to Acorn: stainless steel limits unwanted bacteria and makes the intended spirit easier to hit, and the team concluded that enough lactic fermentation still happens in steel. JWIC lists five stainless washbacks and a five-day fermentation. The same staff member described the production team’s job as mostly temperature control and cleaning, adding that “alcohol is made by microbes, not people,” so the work is to support them as well as possible. It is a very shochu-brewer way of putting it.

Upward lyne arms

The two copper pot stills were built by Miyake Seisakusho (三宅製作所) in Osaka: a straight-necked wash still and a bulge-type spirit still. On both, the lyne arm angles upward. Nishi Shuzo’s explanation is that heavier compounds fall back into the still, so only the “fruity, deep” aromas reach the top and carry over. The bulge on the spirit still increases copper contact, which staff said helps suppress unwanted aromas. The target, in the company’s words, is new make with a gentle, clean mouthfeel and a fruity, balanced aroma.

Casks: “the cask is also an ingredient”

Every Ontake product page repeats one line: the cask is an important raw material, not a container. The company backs that up with more detail than most new distilleries publish.

For its core single malt, Ontake uses only used sherry casks, and specifically what it calls solera sherry butts. Its product page draws a distinction many drinkers never hear about: some “sherry casks” are seasoned with sherry that is never sold, while others held sherry made to be drunk and aged in a solera. Ontake says it buys only the second kind, and that its team travels to Andalusia to inspect each cask, smell the interior and meet the people who work there. Repairs are made to its own specification. In the warehouse, casks sit on pallets with space between them, because, as staff put it, the cask breathes and should be given room to “take a deep breath.”

Beyond sherry, the distillery has filled a wide range of wood. Staff listed bourbon barrels, mizunara, new American white oak, chestnut, cherry, manzanilla, Madeira, Pinot Noir casks from its own New Zealand winery, and casks that previously held Tenshi no Yuwaku shochu. Two of these have become official releases. The bourbon barrels are first-fill casks the team selected in Bourbon County, Kentucky. The mizunara release is the more unusual one: Nishi Shuzo says that while many mizunara whiskies use the Japanese oak only for cask heads or a short finish, it filled new make directly into full mizunara casks made from Hokkaido and Tohoku oak. If you are new to the wood, our guide to mizunara oak whisky explains why that choice is expensive and slow.

The strangest cask story is No. 18. Normally the strength of whisky in a cask drifts down as it evaporates. Nishi Shuzo says cask No. 18 slowly rose in strength instead, ending at 55% ABV, which the company calls “the angel’s whim.” It was bottled without water, blending or chill filtration as a 559-bottle single cask release.

The Ontake releases compared

The table below lists the releases Nishi Shuzo presents on its Ontake site, with prices in yen including Japanese consumption tax as published by the company. Export prices are higher.

Release Cask ABV Japan price
Ontake The First Edition 2023 Used sherry casks 43% ¥14,300
Ontake The First Edition 2024 Bourbon Barrels First-fill bourbon barrels 43% ¥14,300
Ontake 2025 Solera sherry butts 43% ¥14,300
Ontake The First Edition 2025 Mizunara Full mizunara casks 43% ¥16,500
Ontake Single Cask Strength No. 18 Solera sherry butt, single cask 55% ¥33,000
Hioki blended whisky Ontake malt with grain aged at Nishi Shuzo’s Hioki site 40% ¥4,000 before tax (700ml)

A few points help make sense of the list. The sherry releases are the house style; the bourbon and mizunara bottlings show what the same new make does in other wood. Hioki (日置), named for the city where Nishi Shuzo was founded, is the entry point. It was first sold in 1.8-liter bottles in October 2025, and a 700ml bottle followed in March 2026. The company markets it as a highball whisky and recommends one part whisky to four parts soda; our Japanese highball guide covers how that ratio compares with the usual Japanese serve. The press release says the grain component was aged at Nishi Shuzo’s Hioki brewery but does not say where it was distilled, so we have not stated it here. There have also been event exclusives and outside bottlings, including the Kakejiku series single cask from Tokyo bottler The Plinius, which we covered in our Ontake Kakejiku report.

We have not tasted these whiskies and do not rank them by flavor. Nishi Shuzo’s own descriptions point to dried apricot and caramelized apple for the 2025 sherry release, and caramel and pear with little tannin for the mizunara.

Where Ontake fits in Kagoshima

Kagoshima has become one of Japan’s most interesting whisky regions for a simple reason: its distilleries tend to be run by shochu companies that already understand fermentation, distillation and long aging in their own tradition. Ontake joins two better-known shochu houses already making malt whisky in the prefecture: Hombo Shuzo, with its Mars Tsunuki distillery, and Komasa Jyozo, with its Kanosuke distillery. Just over the border in Miyazaki, Osuzuyama distillery follows a similar path from a shochu base.

What separates Ontake is emphasis: it went uphill for cooler maturation and built its identity on controlled, fruit-forward new make paired with sherry casks chosen one at a time. The prefecture has started to promote these distilleries together; see our note on the Kagoshima whisky trail. For a map of every producer, see our full list of Japanese whisky distilleries.

For the drinker, the takeaway is this. An Ontake bottle is the product of a company that decides the flavor first and then works backward to the yeast, the still shape and the cask. That is the “reverse-engineering” habit staff described from shochu. If you like knowing exactly why a whisky was made the way it was, few young Japanese distilleries explain their choices as openly.

Where to buy Ontake and how to visit

United States

Ontake 2025 has appeared at US specialty retailers through import channels, typically at well above the Japanese shelf price once shipping, import duties and distributor margins are added. Availability varies by state. Our guide to buying Japanese whisky in the US explains which retailers can ship to you.

United Kingdom and Europe

The Whisky Exchange lists an Ontake brand page, which is the most reliable place to check UK stock. Limited editions sell through quickly. See our UK buying guide for other specialists that carry new-wave Japanese malts and ship within Europe.

In Japan

Nishi Shuzo sells through its own online shop and Japanese liquor stores, sometimes by lottery. Japanese shops generally cannot ship spirits to the US, so buy in person if you visit. Distillery tours are planned to begin in spring 2027 or later.

Is it “Japanese whisky” under the labeling rules?

The single malts are mashed, fermented, distilled and aged at the distillery with local water, which is the core of what the industry standard requires, though the bottles carry no age statement. Our explainer on what counts as Japanese whisky covers the rules in detail. Nishi Shuzo labels Hioki a “Japanese blended whisky,” but because the grain’s origin is not stated publicly, we cannot confirm independently how it meets the standard.

FAQ

Q: Who owns Ontake distillery?

A: Ontake is owned by Nishi Shuzo, a family-run shochu producer founded in 1845 in Hioki, Kagoshima Prefecture, and led by eighth-generation president Yoichiro Nishi. The company also makes Hozan and Tenshi no Yuwaku shochu, Tenbu sake and Gladstone Urlar wine from New Zealand.

Q: What does the name Ontake mean?

A: Ontake (御岳) is a local name for Sakurajima, the active volcano across Kagoshima Bay. The distillery sits about 400 meters up on the Satsuma Peninsula with a direct view of the mountain, and Nishi Shuzo named the site after what it looks out on.

Q: Is Ontake whisky peated?

A: The single malts are made from non-peated barley malt, according to both the company and distillery visit reports. The Hioki blend’s press release mentions a faint peaty note in the highball, but the core Ontake single malts are built around fruit-forward new make and sherry casks rather than smoke.

Q: Can I visit Ontake distillery?

A: Not casually at the moment. As of September 2026, Nishi Shuzo says tours booked through its stamp-book program are planned to start in spring 2027 or later, with details to be announced. Check the official site before planning a trip to Kagoshima.

Sources

More posts