Akita · Pilgrimage Land of Hidden Onsen / 秋田 / 湯通が憧れる、東北の秘湯王国

Akita Onsen Guide

Top hot springs, ryokan, and day-use baths in Akita — bilingual guide for travelers.

秋田のおすすめ温泉地・温泉宿・日帰り温泉を厳選紹介。

Akita is a paradise for serious onsen pilgrims — the kind who travel for the water itself. Nyuto Onsen-kyo gathers seven historic ryokan in beech forest, the milky bath of Tsuru-no-Yu among them the single most-photographed onsen in Japan; Tamagawa pours out the strongest naturally acidic water in the country (pH 1.2) and the largest single-source flow of any spring; Goshogake heats its guest rooms from below with the breath of a mud volcano; Oga, out on its Sea of Japan peninsula, is the home of the Namahage demons; and Tazawako Kogen looks down on Japan's deepest lake. Each is a wholly different vision of what a hot spring can be.

秋田は、湯そのものを目当てに旅する本物の温泉巡礼者の楽園です。乳頭温泉郷はブナ林に7つの老舗宿を抱え、なかでも鶴の湯の乳白色の露天は日本で最も撮影される温泉。玉川は国内一の強酸性泉(pH1.2)と、単一の湧出口としては日本一の湯量を噴き上げ、後生掛は泥火山の息吹で客室の床下から体を温めます。日本海の半島に立つ男鹿は「なまはげ」の里、田沢湖高原は日本一深い湖を見下ろします。それぞれが、温泉という言葉の意味をまったく違う形で見せてくれます。

5 Top Onsen in Akita

Where to soak

秋田のおすすめ温泉地・温泉宿 5選

Nyuto Onsen-kyo (乳頭温泉郷)01

Nyuto Onsen-kyo

乳頭温泉郷

Seven legendary baths deep in beech forest

ブナ林に佇む七湯、日本一の秘湯巡りの聖地

SpringEach of 7 inns has its own spring source7宿それぞれが独自の源泉を持つ
Fromfrom ¥15,000 / night
SourceFree-flow (kakenagashi) per public info/ 源泉かけ流し(公式情報)

Nyuto Onsen-kyo is a constellation of seven historic inns scattered through the beech forest below Mt. Nyuto — Tsuru-no-Yu, Taenoyu, Magoroku, Kuroyu, Ganiba, Ougama, and the Kyukamura — each with its own spring source, its own water, and its own character. The oldest, Tsuru-no-Yu, was a cure retreat of the Akita lords some 400 years ago; its thatched "honjin" longhouse, once used by the daimyo's retainers, still stands, and the cloudy-white open-air bath in front of it is the single most-photographed onsen in Japan. Overnight guests can buy the "yumeguri-cho" pass and work their way through all seven over a few days.

  • Seven distinct ryokan, each with its own bath
  • Iconic Tsuru-no-Yu — Japan's most-photographed onsen
  • Yumeguri pass for soaking your way through all 7

Note: Tsuru-no-Yu books out 12+ months ahead. Reserve far in advance or use the day-use pass.鶴の湯は1年以上前から満室になることも。早めの予約 or 湯めぐり帖の日帰り利用を推奨。

Hours and prices vary — always confirm on the official site before visiting.
営業時間・料金は変動するため、必ず公式サイトでご確認ください。

Tamagawa Onsen (玉川温泉)02

Tamagawa Onsen

玉川温泉

Japan's strongest acidic spring + radium rocks

日本一の強酸性pH1.2、北投石の岩盤浴

SpringStrong acidic chloride spring (pH 1.2)強酸性塩化物泉(pH1.2、日本一の強酸性)
Fromfrom ¥11,000 / night
SourceFree-flow (kakenagashi) per public info/ 源泉かけ流し(公式情報)

Tamagawa is extreme even by Japanese standards. Its water is the strongest naturally acidic spring in the country — about pH 1.2 — and from a single vent called the "Oobuki" (Big Spout) it gushes some 9,000 litres a minute, the largest single-source flow in Japan, near-boiling at 98°C. The site is also one of only two places on Earth — with Beitou in Taiwan — where "Hokutoseki" forms, a faintly radioactive radium-bearing stone designated a Special Natural Monument, on whose warm bedrock visitors lie for ganbanyoku stone bathing. Long a destination for serious, weeks-long toji healing stays, Tamagawa closes under deep snow in winter.

  • Japan's strongest naturally acidic water — pH 1.2
  • "Hokutoseki" radium stone bathing — globally rare
  • Massive 9000 L/min spring output

Note: The acidic bath is potent — limit soaks to 10 min and rinse off after. Closed in winter due to snow.強酸性のため長湯はNG(10分目安)、入浴後はしっかり洗い流す。冬季は積雪のため休業。

Hours and prices vary — always confirm on the official site before visiting.
営業時間・料金は変動するため、必ず公式サイトでご確認ください。

Goshogake Onsen (後生掛温泉)03

Goshogake Onsen

後生掛温泉

Mud volcanoes and ondol-style heated rooms

泥火山の地熱で温まる、オンドル型の湯治宿

SpringAcidic sulfate / sulfide spring酸性・硫酸塩・硫化水素泉
Fromfrom ¥10,000 / night
SourceFree-flow (kakenagashi) per public info/ 源泉かけ流し(公式情報)

High on the flank of Hachimantai, Goshogake sits in a living geothermal landscape of bubbling mud volcanoes, hissing steam vents, and the smell of sulfur. Its great specialty is the "ondol" room: steam runs beneath the floorboards so that you sleep on naturally heated ground, warmed from the bath above and the earth below — a cure once so prized that an old saying runs, "come to Goshogake on horseback, leave in wooden clogs." A self-guided trail loops through the steaming "hells" just outside, perfect for a morning walk before your bath. Heavy snow closes the inn from late October to mid-April.

  • "Ondol" heated-floor rooms — sleep on natural heat
  • Active mud volcano landscape — Self-Study Trail
  • Long history as a "toji" healing-stay destination

Note: Closed from late October to mid-April. The Aspite Line access road is snow-bound in winter.10月下旬〜4月中旬は休業。アスピーテライン経由のため冬季雪閉鎖。

Hours and prices vary — always confirm on the official site before visiting.
営業時間・料金は変動するため、必ず公式サイトでご確認ください。

Oga Onsen-kyo (男鹿温泉郷)04

Oga Onsen-kyo

男鹿温泉郷

Sea of Japan + Namahage demon traditions

日本海となまはげの里、夕日の絶景温泉

SpringSodium chloride spring塩化物泉
Fromfrom ¥13,000 / night
SourceFree-flow (kakenagashi) per public info/ 源泉かけ流し(公式情報)

Oga juts into the Sea of Japan on a craggy peninsula, and it is the homeland of the "Namahage" — the fearsome straw-caped demons who stalk house to house on New Year's Eve, roaring "Any crybabies here? Any lazy ones?" to drive out idleness and bless the household for the year. In 2018 the custom was inscribed by UNESCO as part of "Raiho-shin, ritual visiting deities," and many Oga ryokan stage a thundering Namahage show after dinner. The onsen face west, so baths and dinner come with the sun sinking into the open sea, and the peninsula's ports supply superb seafood.

  • Birthplace of UNESCO-recognized Namahage tradition
  • Sea of Japan sunset baths
  • Top-grade seafood from Oga fishing port

Hours and prices vary — always confirm on the official site before visiting.
営業時間・料金は変動するため、必ず公式サイトでご確認ください。

Tazawako Kogen Onsen (田沢湖高原温泉郷)05

Tazawako Kogen Onsen

田沢湖高原温泉郷

Lakeside + ski-resort onsen at Mt. Akita-Komagatake

田沢湖を見下ろし、秋田駒ヶ岳を望む高原温泉

SpringSulfate spring硫酸塩泉
Fromfrom ¥12,000 / night
SourceFree-flow (kakenagashi) per public info/ 源泉かけ流し(公式情報)

Tazawako Kogen Onsen spreads across the slopes of Mt. Akita-Komagatake, looking down on Lake Tazawa — at 423 metres the deepest lake in Japan, a startling cobalt-blue ring said never to freeze, watched over by the golden lakeside statue of the maiden Tatsuko. In winter the Tazawako ski runs drop almost to the inns; in summer Komagatake's alpine-flower trails draw hikers. It makes a comfortable, view-rich high-altitude base, just 15 minutes by road from Tazawako Station on the Akita Shinkansen — and a short hop from the seven baths of Nyuto.

  • Views of Mt. Akita-Komagatake and Lake Tazawa
  • Combined ski + onsen winter trips
  • 15 min from Tazawako Station (Akita Shinkansen)

Hours and prices vary — always confirm on the official site before visiting.
営業時間・料金は変動するため、必ず公式サイトでご確認ください。

Insider Tips for Akita

Know before you go

秋田の旅で知っておきたい5つのこと

Reserve Tsuru-no-Yu Far Ahead

鶴の湯は1年前から予約

Nyuto's most famous bath, Tsuru-no-Yu, fills up over 12 months ahead. If you can't get a room there, stay at one of the other six inns — overnight guests can buy the "Yumeguri-cho" pass and visit Tsuru-no-Yu for a daytime soak.

鶴の湯の宿泊は1年以上前から満室になることも。宿が取れない場合、他の6湯のいずれかに泊まれば「湯めぐり帖」(宿泊者限定販売)で鶴の湯も日帰り入浴可能。

Tamagawa Acidity is Real

玉川の酸性は本物

pH 1.2 is acidic enough to dissolve metals. Don't wear jewelry into the bath, limit soaks to 10 minutes, and rinse with fresh water after. Avoid if you have open wounds or sensitive skin.

pH1.2は金属を溶かす強酸性。指輪・ピアスは外し、入浴は10分以内、上がり湯で洗い流すこと。傷口や敏感肌の方は避けるか相談を。

Mountain Onsen Close in Winter

山岳温泉は冬季閉鎖

Goshogake and Tamagawa close from late October/November to April/May due to heavy snow blocking the Aspite Line. Plan around the May–October operating window for these spots.

後生掛・玉川は10〜11月から4〜5月まで休業(アスピーテライン雪閉鎖)。営業期間は5〜10月、計画はこの期間内で。

Combine with Lake Tazawa

田沢湖観光と組み合わせる

Lake Tazawa is Japan's deepest lake (423m) with mysterious cobalt-blue water. The golden "Tatsuko statue" is iconic. Rent a bike at Tazawako Station and explore the lake perimeter before checking in.

日本一深い田沢湖(423m)のコバルトブルーと黄金のたつこ像は必見。田沢湖駅でレンタサイクルを借りて湖畔一周(約20km)してから温泉入りもおすすめ。

See Namahage in Oga

男鹿でなまはげを見る

Many Oga ryokan host Namahage demonstration shows after dinner. The "Namahage Museum" in town also offers daily performances. Don't miss this UNESCO-listed cultural experience.

男鹿温泉郷の宿では夕食後になまはげ実演ショーを開催することが多い。「なまはげ館」でも公演あり。ユネスコ無形文化遺産の体験を逃さずに。

Travel Essentials

Plan your trip

旅の準備

Book a Ryokan

Use major Japanese travel platforms to find ryokan with private open-air baths, tattoo-friendly facilities, or vegan kaiseki meals.

eSIM & WiFi

Most onsen towns have spotty 4G coverage. A Japan eSIM or pocket WiFi keeps Google Maps and translation apps running smoothly.

Getting There

See each onsen listing above for access details. Most Akita onsen towns are reachable by JR trains, limited express, or highway bus; for remote springs, a rental car gives the most flexibility.

FAQ

Common questions

よくある質問

Tsuru-no-Yu sounds amazing — how hard is it to book?鶴の湯ってそんなに予約困難?

Very. Phone reservations open about a year ahead and popular dates (weekends, foliage season) sell out fast. Try mid-week winter dates, or use the Yumeguri-cho pass to soak there while staying at another Nyuto inn.

激戦です。予約は約1年前から電話受付、週末や紅葉期はすぐ満室。平日の冬を狙うか、他の乳頭温泉に宿泊+湯めぐり帖で日帰り利用がおすすめ。

Is Tamagawa's ganbanyoku worth the trip?玉川の岩盤浴は行く価値ある?

For people interested in the cultural/wellness aspect — yes. Bringing a mat and lying on the heated stones is a centuries-old practice. Just understand the science is contested; treat it as a cultural experience, not a medical one.

文化体験として価値あり。マットを敷いて温石の上に横たわる伝統的な湯治法。科学的効能は議論がありますが、文化体験として楽しむのが正解。

Can I do Akita without a car?秋田は車なしで回れる?

Mostly yes. Akita Shinkansen reaches Tazawako, Kakunodate, and Akita City directly. Nyuto Onsen has shuttle service from Tazawako Station. Goshogake/Tamagawa need bus or rental car. Oga has its own JR line.

基本的に可能。秋田新幹線で田沢湖・角館・秋田市までアクセス。乳頭温泉は田沢湖駅から送迎バス。後生掛・玉川はバス or レンタカー。男鹿はJR男鹿線あり。

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東北地方の他の県も見る

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