Nagasaki · Unzen Hells + Obama's Seaside Sunset Springs / 長崎 / 雲仙地獄と小浜の夕日の湯

Nagasaki Onsen Guide

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

長崎のおすすめ温泉地・温泉宿・日帰り温泉を厳選紹介。

Nagasaki — Japan's historic window to the West — pairs that cosmopolitan heritage with dramatic volcanic onsen. Unzen Onsen, set high on the Shimabara Peninsula amid the steaming, sulfurous "Unzen Jigoku" (hells), lies within one of Japan's first national parks (designated 1934) and was a beloved retreat for foreign residents in the Meiji era. At the peninsula's base, Obama Onsen lines the coast with one of Japan's hottest source temperatures and its longest footbath, facing spectacular Tachibana Bay sunsets. Spring-water Shimabara, the port of Hirado, and the European-themed resort of Huis Ten Bosch round out a uniquely international onsen circuit. From Nagasaki City: Unzen 1h 40min by bus.

長崎——西洋への歴史的な窓口——は、その国際的な遺産と劇的な火山温泉を併せ持ちます。雲仙温泉は島原半島の高所、噴気を上げる硫黄の「雲仙地獄」のただ中にあり、日本最初の国立公園の一つ(1934年指定)の中に位置し、明治期には外国人居留者に愛された避暑地でした。半島の麓では、小浜温泉が海岸沿いに、日本有数の高温源泉と日本一長い足湯を擁し、橘湾の絶景の夕日を望みます。湧水の島原、平戸の港、欧風リゾートのハウステンボスが、国際色豊かな温泉巡りを完成させます。長崎市から雲仙までバスで1時間40分。

5 Top Onsen in Nagasaki

Where to soak

長崎のおすすめ温泉地・温泉宿 5選

Unzen Onsen (雲仙温泉)01

Unzen Onsen

雲仙温泉

Steaming sulfur "hells" inside one of Japan's first national parks

日本最初の国立公園の一つ、噴気立つ雲仙地獄

SpringAcidic sulfur spring酸性・含硫黄泉
Fromfrom ¥18,000 / night
SourceFree-flow (kakenagashi) per public info/ 源泉かけ流し(公式情報)

Unzen Onsen sits at about 700m on the Shimabara Peninsula, surrounded by the "Unzen Jigoku" — a field of roaring steam vents and bubbling, milky-white sulfur springs that you can walk among on boardwalks. Designated as part of one of Japan's first national parks (Unzen, 1934), it became a fashionable Meiji-era resort for Western residents and diplomats escaping the summer heat. The strongly acidic sulfur waters are a vivid, cloudy white. About 20 ryokan and hotels amid the highland forest. Note: the "hells" name reflects the dramatic geology; please follow posted safety signs. From Nagasaki City: 1h 40min by bus.

  • Walkable "Unzen Jigoku" steaming sulfur hells
  • Part of one of Japan's first national parks (1934)
  • Meiji-era Western resort heritage

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。

Obama Onsen (小浜温泉)02

Obama Onsen

小浜温泉

Japan's longest footbath + super-hot springs + bay sunsets

日本一長い足湯、高温源泉と橘湾の夕日

SpringSodium chloride spring塩化物泉(食塩泉)
Fromfrom ¥16,000 / night
SourceFree-flow (kakenagashi) per public info/ 源泉かけ流し(公式情報)

Obama Onsen lines the shore of Tachibana Bay at the western foot of the Shimabara Peninsula, famous for some of Japan's highest source temperatures (around 100°C) and the resulting steam that rises along the seafront. Its signature is "Hot Foot 105" — a 105 m footbath (said to be Japan's longest), the number marking the source heat. The west-facing coast delivers spectacular sunsets over the bay. Steam-cooked "jigoku-mushi" seafood and vegetables are a local treat. About 15 ryokan and hotels. From Nagasaki City: 1h 30min by bus; close to Unzen for a peninsula loop.

  • "Hot Foot 105" — Japan's longest footbath (105 m)
  • Among Japan's hottest source temperatures (~100°C)
  • Spectacular Tachibana Bay sunsets

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。

Shimabara Onsen (島原温泉)03

Shimabara Onsen

島原温泉

Spring-water castle town + swimming-carp canals

湧水と鯉の泳ぐ城下町

SpringIron-bearing sodium chloride spring含鉄・塩化物泉
Fromfrom ¥14,000 / night
SourceFree-flow (kakenagashi) per public info/ 源泉かけ流し(公式情報)

Shimabara, on the eastern coast of the peninsula beneath Mt. Unzen, is celebrated as a "city of water" — pure spring water gushes from countless points, famously flowing through the "Shimeiso" garden and the canals of the "Carp-Swimming Town" (Koi-no-Oyogu-Machi), where colorful carp glide through crystal-clear streets. Shimabara Castle, rebuilt with a striking white keep, anchors the historic samurai quarter. The iron-bearing seaside onsen overlooks the Ariake Sea toward Kumamoto. A few ryokan and hotels operate. Specialty sweet "kanzarashi" (mochi balls in spring water) is a must. From Nagasaki City: 1h 30min by train + ferry options.

  • "City of water" — spring-fed "Carp-Swimming Town" canals
  • White-keep Shimabara Castle + samurai quarter
  • Spring-water sweet "kanzarashi" specialty

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。

Hirado Onsen (平戸温泉)04

Hirado Onsen

平戸温泉

Japan's first Western-trade port + castle + island churches

南蛮貿易発祥の港、平戸城と島の教会群

SpringSodium chloride spring塩化物泉
Fromfrom ¥16,000 / night
SourceFree-flow (kakenagashi) per public info/ 源泉かけ流し(公式情報)

Hirado, a westernmost island town reached by a graceful red bridge, was Japan's first port of Western trade — the Portuguese arrived in 1550, followed by Dutch and English trading posts, making it a cosmopolitan hub long before Nagasaki took over. That legacy survives in the restored Dutch Trading Post, hilltop Hirado Castle, and the photogenic juxtaposition of a Catholic church above traditional temples. The onsen is a relatively modern addition serving the island's travelers, with bay-view baths. Hirado wagyu beef and fresh seafood are local highlights. From Nagasaki City: about 2h by car/bus.

  • Japan's first Western-trade port — Dutch Trading Post
  • Hilltop Hirado Castle + church-and-temple townscape
  • Hirado wagyu beef + fresh seafood

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。

Huis Ten Bosch Onsen (ハウステンボス温泉)05

Huis Ten Bosch Onsen

ハウステンボス温泉

European-themed resort + onsen in Sasebo

佐世保の欧風リゾート、テーマパークの湯

SpringSodium chloride spring塩化物泉
Fromfrom ¥18,000 / night

Huis Ten Bosch, near Sasebo, is one of Japan's largest theme parks — a meticulous recreation of a Dutch town with canals, windmills, tulip fields, and one of the world's biggest illumination displays. Adjacent resort hotels include onsen facilities, letting visitors combine European-style holiday with a Japanese hot-spring soak. The springs here are a modern resort development. The Sasebo area also offers the spectacular "Kujukushima" (99 Islands) seascape and the origin of "Sasebo Burger." Ideal for families pairing theme-park days with relaxing onsen evenings. From Nagasaki City: 1h 30min by train.

  • European-themed park — canals, windmills, illuminations
  • Resort onsen for a Euro-holiday + Japanese bath combo
  • Kujukushima seascape + Sasebo Burger nearby

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 Nagasaki

Know before you go

長崎の旅で知っておきたい5つのこと

Walk the Unzen Hells Boardwalk

雲仙地獄の遊歩道を歩く

The "Unzen Jigoku" boardwalk loop (about 30–40 min) winds among roaring steam vents and bubbling white sulfur pools. Try the "Onsen Tamago" (eggs boiled in the hells) sold along the route. The most active spots — "Oito Jigoku" and "Daikyokan Jigoku" — are dramatic. Stay on paths; the ground is genuinely hot. Cool mornings offer the thickest, most photogenic steam.

「雲仙地獄」の遊歩道ループ(約30〜40分)は、轟音の噴気孔と白濁の硫黄の湯壺の間を縫います。道沿いで売る「温泉たまご」(地獄で茹でた卵)をぜひ。最も活発な「お糸地獄」「大叫喚地獄」は迫力満点。地面は本当に熱いので必ず遊歩道を。涼しい朝が湯けむり最も濃く絵になります。

Obama Jigoku-Mushi Steam Cooking

小浜の地獄蒸し

At Obama's "Hot Foot 105" footbath area, there are public "jigoku-mushi" steamers where you can steam-cook seafood, eggs, and vegetables using the ~100°C natural spring heat. Buy ingredient sets nearby. Soak your feet in the 105 m bath while your lunch steams, then watch the sunset over Tachibana Bay. A perfect low-cost, hands-on Obama afternoon.

小浜の「ほっとふっと105」足湯エリアには公共の「地獄蒸し」釜があり、約100℃の天然の蒸気で海鮮・卵・野菜を蒸せます。近くで食材セットを購入。105mの足湯に足を浸けながら昼食を蒸し、橘湾に沈む夕日を眺める——低コストで体験型の小浜の午後の決定版。

Shimabara Spring-Water Walk

島原の湧水さんぽ

Shimabara's "Carp-Swimming Town" lets you stroll past crystal canals where koi glide between houses. Visit the "Shimeiso" garden villa (a pond fed entirely by spring water, viewable from tatami rooms), sip free spring water at public points, and finish with "kanzarashi" sweet mochi at Ginsui, a century-old shop. A gentle, photogenic half-day on foot.

島原の「鯉の泳ぐまち」では、家々の間を鯉が泳ぐ透き通る水路沿いを散策できます。湧水だけで満たされた池を畳の間から望む庭園「四明荘」を訪ね、各所の湧水を無料で味わい、創業100年の「銀水」で甘味「かんざらし」を。徒歩で巡る、穏やかで絵になる半日。

Shimabara Peninsula Loop by Car

島原半島を車で一周

The Shimabara Peninsula is best explored as a loop: Unzen (hells + highland onsen) → Obama (footbath + sunset) → Shimabara (spring water + castle) → the Mt. Unzen "Heisei Shinzan" 1991 eruption memorial and Mizunashi disaster-preservation site. A 2-night loop covers volcanic, coastal, and historic Nagasaki in one compact circuit. Rental car strongly recommended.

島原半島は周遊が一番:雲仙(地獄+高原温泉)→小浜(足湯+夕日)→島原(湧水+城)→雲仙岳「平成新山」(1991年噴火)の記念施設と水無の災害遺構保存地。2泊の周遊で、火山・海岸・歴史の長崎をコンパクトに一巡。レンタカーを強く推奨。

Champon + Castella in Nagasaki City

長崎市内のちゃんぽん+カステラ

Before or after the onsen loop, Nagasaki City is essential: "Champon" (the city's signature noodle-in-rich-broth, born in Chinatown), "Sara-udon" (crispy noodles), and "Castella" sponge cake (a Portuguese-derived specialty, best from Fukusaya or Bunmeido). Add the Glover Garden, Oura Church, and the moving Atomic Bomb Museum + Peace Park. A full city day pairs well with a peninsula onsen night.

温泉周遊の前後に、長崎市内は外せません:「ちゃんぽん」(中華街発祥の濃厚スープ麺)、「皿うどん」、そしてポルトガル由来の「カステラ」(福砂屋や文明堂が名店)。グラバー園、大浦天主堂、心に残る原爆資料館+平和公園も。市内のフル1日が、半島の温泉の夜とよく合います。

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 Nagasaki 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

Unzen or Obama for one night?雲仙と小浜、1泊ならどっち?

Unzen for the dramatic sulfur "hells," highland forest cool, and cloudy-white acidic baths. Obama for super-hot seaside springs, the long footbath, steam cooking, and bay sunsets. They're only ~30 min apart, so a 2-night peninsula loop doing both is ideal. For one night: Unzen for the iconic volcanic landscape, Obama for the seaside-relaxation vibe.

雲仙は劇的な硫黄の「地獄」、高原の森の涼しさ、白濁の酸性湯。小浜は高温の海辺の湯、長い足湯、地獄蒸し、湾の夕日。両者は約30分の距離なので、2泊で両方周る半島ループが理想。1泊なら、象徴的な火山風景の雲仙、海辺リラックスの小浜。

Are the Unzen "hells" dangerous?雲仙「地獄」は危険?

The boardwalks are safe and well-maintained, with railings keeping you back from the hottest vents. The ground and steam are genuinely hot, so stay on marked paths and supervise children. Strong sulfur smell is normal. People with respiratory conditions may find the fumes intense in spots. Follow posted signs and you'll be fine.

遊歩道は安全でよく整備され、最も熱い噴気孔から離れるよう柵があります。地面や蒸気は本当に熱いので、必ず表示された道を歩き、子供から目を離さないでください。強い硫黄臭は普通です。呼吸器に疾患のある方は、場所によりガスが強く感じられることも。掲示に従えば問題ありません。

Best season for Nagasaki onsen?長崎温泉のベストシーズンは?

Late October–November for Unzen's famous foliage (one of Kyushu's best, with the "Nita Pass" ropeway views). Summer for cool highland escape at Unzen (its original Meiji appeal). Year-round for Obama sunsets, best on clear winter evenings. Huis Ten Bosch is spectacular during the winter illumination and spring tulips.

10月下旬〜11月は雲仙の名高い紅葉(九州屈指、「仁田峠」ロープウェイの眺め)。夏は雲仙の高原避暑(明治以来の魅力)。小浜の夕日は通年、澄んだ冬の夕方が最高。ハウステンボスは冬のイルミネーションと春のチューリップが絶景です。

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九州・沖縄地方の他の県も見る

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