Shizuoka

Type: Distillery

At Shizuoka, one wash still is heated by a fire fed with mountain conifer timber, split by hand by local woodcutters, according to the producer. The other incorporates equipment recovered from Karuizawa. These two stills, W and K, give Gaiaflow's distillery in the mountains of Shizuoka City its distinctive starting point.[2][3][5]

Completed in August 2016, Shizuoka began whisky production that October. Its first single malt, Prologue K, arrived in 2020, putting the refurbished Karuizawa still at the centre of its opening release.[2][3][5][7]

At a glance

What Shizuoka is known for

Shizuoka makes its equipment part of its identity. K's connection is to Karuizawa; W takes its name from “Woodfired”, the producer's description of its direct wood heating.[2][3][5]

Those letters offer a practical route through the releases, from the early distillation history to the choice of barley. Pot Still W Japanese Barley First Edition, for example, pairs the W still with entirely Japanese malted barley.[5] The names reveal useful production details, though a still designation alone cannot describe a whisky's flavour.

A new distillery with recovered equipment

Shizuoka's story has several beginnings, and the dates matter. Gaiaflow's corporate record gives its incorporation as 17 January 2012. Trade accounts also place its beginnings as a whisky import agent in 2012, followed by the establishment of Gaia Flow Distilling on 8 October 2014. Some accounts describe Gaiaflow as established in 2014, so the company and distilling milestones need to remain separate.[1][2][3][9]

Founder Taiko Nakamura previously ran a machine parts manufacturer, according to the trade profile. The producer describes Gaiaflow's roots in renewable energy, and its import portfolio has included Blackadder, Asta Morris and Amrut.[2][5][9]

The building brings the story firmly into Shizuoka. Designed with Derek Baston, an American architect living there, it uses Shizuoka wood inside and out. Completion and first production both belong to 2016, rather than 2017, the date repeated in one later account.[2]

Story box: Karuizawa equipment, a different beginning

Founding story: Gaiaflow was incorporated on 17 January 2012. Shizuoka Distillery was completed on 9 August 2016, and whisky production began on 28 October that year. Each date marks a different step.[1][2][3]

Turning point: In 2015, Gaiaflow bought Karuizawa's production equipment. Assessment and refurbishment yielded one working still, K, rather than a complete operational transplant of the former distillery.[2][3]

Documented record: Trade accounts identify Karuizawa's third, redistillation still as sufficiently preserved for restoration. They also describe combining sound components from the four former stills into the working unit.[2][3]

Claim and verdict: Shizuoka recovered Karuizawa equipment and returned one still to service. Documented.

The equipment connection does not establish continuity with Karuizawa's whisky or a reproduction of its character.

K, W and the fermentation vessels

K changed jobs when it came to Shizuoka. It incorporates sound components from Karuizawa's four former stills, with the third, redistillation still sufficiently preserved for restoration. The refurbished unit works as a wash still at Shizuoka, carrying out the first distillation.[2][3]

For Prologue K, however, it performed both runs. A trade review explains the release's description as a “Single Wash Still Whisky”: only K was running when that spirit was distilled. This describes the circumstances of that release, rather than the fuller equipment inventory reported later.[4]

W brings wood fire into the stillhouse. According to the producer, the fuel is thinned conifer timber from Shizuoka's mountains, split by hand by local woodcutters. The producer calls the heating method rare; the prefectural tourism body describes the wood-fired still as extremely rare internationally.[5][6]

One trade profile goes further, calling W “probably the only” example worldwide. Rarity is the supported description; absolute uniqueness remains disputed.[3][5][6]

Local wood also appears in the fermentation vessels. The trade review records four Douglas fir washbacks and four cedar washbacks, while the producer describes locally sourced cedar vessels. Washbacks hold the liquid during fermentation, before distillation.[4]

Production and release timeline

The first single malt arrived several years after production began. These dates separate the building of Shizuoka, the start of distilling and the emergence of its releases.[2][3][7]

Understanding the release names

Prologue K captures Shizuoka's opening chapter in 5,000 bottles at 55.5% ABV. The trade record describes whisky aged at least three years in 31 first-fill bourbon casks. Alongside its place as the first single malt release, its distinction is the use of K for both distillations.[2][4]

Contact S brings the two wash stills into the same release, combining K and W spirit. Separately, the trade account gives S four meanings: Shizuoka, Spirits, Single Malt and Sphere. Those meanings also apply to United S.[8]

United S First Edition followed in mid December 2022, with a reported release of 5,000 bottles. Its bottling strength remains unresolved: the fact sheet records reports of both 50% and 50.5% ABV, with source mapping still requiring verification.[8]

Pot Still W Japanese Barley First Edition shifts the emphasis to raw material as well as equipment. The producer describes a W-only whisky made from 100% Japanese malted barley, and says Japanese barley has been used at Shizuoka since production began in 2016.[5]

Read each name alongside its release description. K and W identify equipment; Contact S combines their spirits; Japanese Barley specifies the barley's origin. These are different pieces of the production story, not complete flavour descriptions.

Three misconceptions to leave behind

“Shizuoka is Karuizawa reborn.” A recovered still connects the two, but Shizuoka is a new distillery completed in 2016. Shared equipment does not establish that their whiskies are interchangeable.[2][3]

“Shizuoka was founded in 2017.” That date appears in a later retail account. The dated construction and production milestones fall in August and October 2016.[2][3]

“Shizuoka uses only imported malt.” The producer says Japanese barley has been used since production began; Pot Still W Japanese Barley First Edition provides an entirely Japanese malted barley example.[5]

Visiting Shizuoka

The producer places Shizuoka at the southern end of the Southern Alps, about an hour by bus from JR Shizuoka Station. Its published visitor information advertises guided tours and a whisky school. Start with the official website to arrange a visit, rather than assuming walk-in access.[1][5]

Before travelling, check booking requirements, accessibility, transport arrangements and the age rules applying to the particular activity. For another Japanese distillery, continue with Fuji Gotemba Distillery.

Where to go next

• Chichibu: Ichiro's Malt: explore another Japanese distillery and its associated name.
• Kanosuke: follow a separate Japanese distillery story.
• Yoichi: broaden the comparison beyond Shizuoka's equipment and release history.

Editorial checks and claim mapping

Company dates

Claim: Gaiaflow was established in 2014. Verdict: Disputed. The producer records incorporation on 17 January 2012; a trade account gives 2014, the year recorded for the distilling company's establishment. The earliest known source of the 2014 account remains unidentified. The corporate record and trade sources require checking before publication.[1][2][9]

Story box documentation

The corporate record supports the incorporation date. The distillery profile supports the construction history and recovered equipment account. The Prologue K review supports the production start and equipment purchase.

The fact sheet does not establish the earliest publication of the recovered equipment account. The equipment connection does not establish that Shizuoka continues Karuizawa's whisky or reproduces its character.

Last checked: November 2026; the exact day remains to be established before publication.

Equipment claims

Claim: Prologue K was described as a Single Wash Still Whisky because only K was running when its spirit was distilled. Verdict: Documented. The trade review gives this explanation. Its earliest known source remains unidentified, and the claim mapping requires verification before publication.[4]

Claim: W is unique worldwide. Verdict: Disputed. One trade profile calls it “probably the only” example worldwide; the producer and prefectural tourism body describe rarity rather than exclusivity.[3][5][6]

Claim: Shizuoka is the only distillery in the world using cedar washbacks. Verdict: Legend. A trade reviewer makes the claim, but the fact sheet records no primary source confirming worldwide exclusivity. The earliest known source remains unidentified. The trade review and its claim mapping require verification before publication.[4]

Release names and strength

Claim: S stands for Shizuoka, Spirits, Single Malt and Sphere. Verdict: Documented. The trade account gives all four meanings. The earliest known source remains unidentified, and the account and its claim mapping require verification.[8]

Claim: United S First Edition has a specific stated bottling strength. Verdict: Disputed. The fact sheet records both 50% and 50.5% ABV. Neither figure is established because the source mapping requires verification; the earliest known source also remains unidentified. The sheet identifies a trade guide and a retail account, both requiring checking before publication.

Sources

1. Gaiaflow Co., Ltd. Gaiaflow corporate home page. Undated producer account, checked November 2026. https://www.gaiaflow.co.jp/
2. Japanese Whisky Dictionary. Gaiaflow Shizuoka Distillery profile. Undated trade account, checked November 2026. https://en.jpwhisky.net/gaiaflowshizuokadistilley-2-48186/
3. Japanese Whisky Dictionary. Review: Shizuoka Prologue K. Undated trade account, checked November 2026. https://en.jpwhisky.net/shizuoka-prologuek-2-14635/
4. Nomunication. Review: Shizuoka Prologue K. 29 January 2021, checked November 2026. https://www.nomunication.jp/2021/01/29/review-shizuoka-prologue-k/
5. Shizuoka Distillery. Pot Still W Japanese Barley First Edition. Undated producer account, checked November 2026. https://shizuoka-distillery.jp/products/potstill-w-japanesebarley-1st/
6. Visit Shizuoka. Gaiaflow Shizuoka Distillery. Undated tourism account, checked November 2026. https://www.visit-shizuoka.com/en/spot/detail_462.html
7. Whisky Auctioneer. Shizuoka distillery. Undated trade account, checked November 2026. https://whiskyauctioneer.com/learn/explore-whisky/distilleries/shizuoka
8. Japanese Whisky Dictionary. Review: Shizuoka United S First Edition. Undated trade account, checked November 2026. https://en.jpwhisky.net/shizuoka-united-s-2-24032/
9. Sip Japan. Shizuoka (Gaiaflow) Distillery guide. Undated trade account, checked November 2026. https://sipjapan.com/blog/shizuoka-distillery-guide

This desk-researched article uses the supplied fact sheet, distinguishing producer accounts from trade reporting; source-reference discrepancies are recorded below for editorial resolution.

Last checked: November 2026.