Tsukasabotan ─ The Samurai Sake of Tosa

Soul of the Kura

Tosa men drink dry. Tosa women drink dryer.
The province on the wild Pacific coast of Shikoku
has poured this kind of sake for four hundred years.

Sakamoto Ryōma — the loyalist samurai
who wrote Japan's first modern constitution
on a wooden ship in 1867 —
drank from this brewery before he sailed.

The flagship still bears the name of his eight-point plan.

Characteristics

Founded 1603 in Sakawa, the castle town of the Yamauchi clan.
The official sake of the Tosa domain throughout the Edo period.
Drunk by Sakamoto Ryōma — the brewery's flagship is named
"Senchu Hassaku," after his Eight-Point Plan drafted at sea.
Bone-dry, sharp, swordlike — a sake built for unsweetened katsuo bonito,
salt-cured fish, and fierce Pacific winters.

Reasons to Visit

壱
Drink the sake of Sakamoto Ryōma
The flagship Senchu Hassaku is named for his 1867 manifesto — sake with revolutionary history.
弐
Walk Sakawa's preserved samurai street
The brewery sits on a perfectly preserved Edo merchant street — twenty minutes' walk end-to-end.
参
Try the Tosa drinking tradition
"Bekuhai" cups — uniquely shaped sake cups that cannot be set down. You must finish.
四
Pair with Tosa Jinja
The first-rank shrine of ancient Tosa, in northern Kochi — 40 minutes by car.
五
Eat katsuo no tataki straight from Kochi Bay
Seared bonito, salt-rubbed, no soy — a perfect mirror of Tsukasabotan's dryness.

Tasting Etiquette

Drink room-temperature first.
Tosa sake reveals its dryness fully at 18–20°C.
Pair with strongly salted food.
The brewery's identity is built around Tosa cuisine — they belong together.
Honour Tosa drinking culture.
In Kochi, refilling another's cup before it empties is a kindness, not pressure.
Try the bekuhai cup at least once.
A traditional Tosa cup with no flat base — once filled, must be drained.
Finish standing, never sitting alone.
Sake here is for company, not solitude.

Visit & Tasting

📍

Address

1299 Ko, Sakawa-cho, Takaoka-gun, Kochi 789-1201

🚄

Access

JR Dosan Line → Sakawa Station → 5 min walk

🕐

Hours

9:00–17:00

📅

Closed

Sundays · year-end

🥢

Tasting

Free tasting

📞

Reservation

Walk-in OK · brewery tour by reservation

🇬🇧

English

Limited

— Facilities —

🅿️ParkingYes

🚻RestroomYes

🏷️ShopYes

🏛️Edo streetYes

🗺 Directions 🌐 Official Site 📍 Open in Maps 📜 All Breweries

※ Hours, fees and contact details may change seasonally — please confirm on the brewery's official site before your visit.

Signature Labels

Senchu Hass

Complete the Sake Journey

Arrange your visit to Tsukasabotan — stay nearby, get there, taste with a guide, or take a bottle home.

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aku 船中八策

Junmai · super-dry · SMV +8

The flagship. Named for Sakamoto Ryōma's eight-point plan written at sea. Crisp, sharp, salt-loving.

Tsukasabotan Junmai Daiginjo 純米大吟醸

Junmai Daiginjo · 50% polish

A more refined sister bottle. Still firmly dry but with a layered umami — the Tosa spirit at its most polished.

Tsukasabotan Genshu Karakuchi 原酒辛口

Junmai · undiluted · SMV +12

Cask-strength. Drier than the flagship. Drink with cold katsuo and stand back.

Recommended Pairings

◆Katsuo no tataki — straw-seared bonito with salt
◆Sawachi platter — Kochi's communal seafood feast
◆Goshiki-don — Tosa rice bowl with five toppings
◆Yuzu salt-grilled chicken — Kochi citrus + dry sake

Pair With Pilgrimage

⛩

Ichinomiya of Tosa Province

Tosa Jinja

土佐神社

The first-rank shrine of ancient Tosa,
enshrining Ajisukitakahikone-no-Mikoto, kami of agriculture and thunder.
A vast cedar grove in northern Kochi City — quiet, austere, deeply Pacific.
Pay respects in the morning, then drive west to Sakawa
for an afternoon at the brewery.

Visit the Shrine →

Tsukasabotan

🏨Stay Near the Kura

🚄Getting There

🍶Sake Tours & Tastings

🍵Sake Vessels & Bottles

Tosa Jinja