Top 15 Kanto & Regional Onsen Towns (Ranked by Guest Ratings)

 Japan's Kanto region and its surrounding areas combine dramatic volcanic landscapes, rich histories, and legendary thermal waters. From the sulfur vents of Kusatsu to urban hot springs hidden right in downtown Tokyo, here is the ultimate traveler's guide to the top 15 Kanto hot spring towns—ranked by guest satisfaction and vintage charm—along with 5 top-rated natural hot springs in Tokyo city.


💡 Note: Admission fees and transport schedules may change depending on local conditions or seasons. Always check the official websites before your visit.


Top 15 Kanto & Regional Onsen Towns (Ranked by Guest Ratings)


1. Kusatsu Onsen (Gunma Prefecture)

  • History & Origins: Legend says Kusatsu was discovered in 1193 by warlord Minamoto no Yoritomo, while other accounts credit the 8th-century monk Gyoki. During the Edo Period, it ranked at the absolute top of Japan’s hot spring hierarchy (Onsen Banzuke). Shoguns even had its healing waters bottled and transported directly to Edo Castle.

  • Water Characteristics & Benefits: Kusatsu boasts Japan's highest natural spring water flow (over 32,300 liters per minute) with a highly acidic pH (~2.1). The water is so hot that locals developed Yumomi—a traditional method of cooling the water by stirring it with wooden paddles. Its antibacterial powers are famous for curing skin conditions, nerve pain, and fatigue, giving rise to the local saying: "Kusatsu cures everything except heartbreak."

  • Retro Vibe: Walking around the central Yubatake ("Hot Spring Field") lit up at night while wearing a traditional yukata offers an unforgettable nostalgic atmosphere.

  • Latest Fees & Access: Sainokawara Open-Air Bath ~800 JPY. From JR Ueno Station, take the Limited Express train to Naganohara-Kusatsuguchi Station, then transfer to a JR Bus (25 min). Total travel time: ~3 hours from Tokyo.


2. Ikaho Onsen (Gunma Prefecture)

  • History & Origins: Referenced in the 8th-century poetry anthology Manyoshu, Ikaho has over 1,300 years of history. In 1576, during the Warring States period, the Sanada clan built a 365-step stone staircase and an underground wooden pipe network, creating Japan’s first planned hot spring resort town.

  • Water Characteristics & Benefits: Ikaho features two distinct springs: Kogane-no-yu ("Golden Water"), an iron-rich reddish-brown thermal spring that warms the body deeply to relieve joint pain and poor circulation, and Shirogane-no-yu ("Silver Water"), a clear spring focused on recovery and skin hydration.

  • Retro Vibe: The iconic 365 stone steps are lined with nostalgic festival shooting galleries, traditional tea houses, and sweet onsen manju stalls.

  • Latest Fees & Access: Ikaho Open-Air Bath ~500 JPY / Ishidani-no-yu ~410 JPY. Highway buses run directly from Tokyo/Shinjuku Stations (~2.5 hours).


3. Shima Onsen (Gunma Prefecture)

  • History & Origins: Established during the reign of Emperor Kanmu (781–806 AD), its name "Shima" means "40,000," reflecting the belief that its therapeutic waters can cure 40,000 ailments. In 1954, it was officially designated as Japan's very first National Health Resort Hot Spring.

  • Water Characteristics & Benefits: Rich in sodium, calcium, chloride, and sulfate, Shima's water contains high levels of metasilicic acid, a natural skin moisturizer. Mild and soothing, drinking the spring water aids digestive health, while bathing leaves skin silky and soft.

  • Retro Vibe: Home to Sekizenkan, a 300-year-old wooden ryokan with a red bridge that inspired the bathhouse in Hayao Miyazaki’s animated masterpiece Spirited Away.

  • Latest Fees & Access: Sekizenkan Day Bath ~1,500–1,800 JPY. Direct "Shima Onsen-go" highway bus from Tokyo Station Yaesu Exit (~3.5 hours).


4. Nasu Onsen (Tochigi Prefecture)

  • History & Origins: Discovered in 630 AD when a hunter spotted a wounded deer healing its injuries in a mountain stream—giving birth to the famous Shika-no-yu ("Deer's Bath"). Loved by feudal lords during the Edo Period, it remains an elegant retreat that hosts the Nasu Imperial Villa.

  • Water Characteristics & Benefits: Highly acidic sulfur water with a cloudy white appearance and a strong mineral scent. Reaching temperatures of 60–80°C at the source, baths are partitioned into different temperatures ranging from 41°C to 48°C. Excellent for chronic skin conditions, fatigue, and rheumatism.

  • Retro Vibe: The historic wooden bathhouse at Shika-no-yu preserves traditional bathing rituals unchanged for centuries.

  • Latest Fees & Access: Shika-no-yu ~500 JPY. Take the Tohoku Shinkansen from Tokyo to Nasushiobara Station, then transfer to a local bus (~35 min). Total travel time: ~1.75 hours.


5. Hakone Yumoto Onsen (Kanagawa Prefecture)

  • History & Origins: Founded in 738 AD by the monk Jakusho, Hakone Yumoto is the oldest and largest among the famous "17 Baths of Hakone." It flourished in the Edo period as a key rest stop along the Tokaido Highway connecting Edo (Tokyo) and Kyoto.

  • Water Characteristics & Benefits: Clear, odorless, weak-alkaline simple and chloride thermal waters. Exceptionally gentle on sensitive skin, these soothing waters retain body heat, relieve muscle soreness, and reduce stress.

  • Retro Vibe: Vintage souvenir shops along the station street paired with classic mountain climbing trains (Hakone Tozan Railway).

  • Latest Fees & Access: Hakone Yuryo ~1,600–1,900 JPY. Take the Odakyu Romancecar from Shinjuku direct to Hakone-Yumoto Station (~1 hour 25 minutes).


6. Ito Onsen (Shizuoka Prefecture / Izu Peninsula)

  • History & Origins: Recognized since the 8th century, Ito’s spring waters were so prized that they were presented as gifts to Shogun Tokugawa Ieyasu. In 1928, local artisans built Tokaikan, a magnificent three-story wooden ryokan that remains a designated cultural landmark today.

  • Water Characteristics & Benefits: Featuring an abundant natural flow, Ito mainly yields weak-alkaline simple and chloride waters. Many ryokans use 100% free-flowing source water (Kakenagashi). The water improves blood circulation, relieves neuralgia, and keeps you warm long after step out.

  • Retro Vibe: Tour the hand-carved wooden corridors of Tokaikan and bathe in its classic retro stone tub.

  • Latest Fees & Access: Tokaikan Bath ~500 JPY. JR Limited Express 'Odoriko' from Tokyo Station direct to Ito Station (~1 hour 40 minutes).


7. Atami Onsen (Shizuoka Prefecture)

  • History & Origins: The name Atami ("Hot Sea") comes from underground thermal springs gushing directly into the ocean. Tokugawa Ieyasu frequented Atami to recover after battles, turning it into one of Japan's premier coastal spa towns.

  • Water Characteristics & Benefits: Rich in sodium and calcium chlorides. The natural salt content forms a delicate moisturizing barrier on the skin, sealing in heat, soothing joint aches, and refreshing tired muscles.

  • Retro Vibe: Nostalgic Showa-era shopping arcades, vintage dessert cafes, and coastal fireworks displays held throughout the year.

  • Latest Fees & Access: Atami Station Footbath Free / Ryokan day baths ~1,200–2,500 JPY. Tokaido Shinkansen from Tokyo Station (~45 minutes).


8. Kinugawa Onsen (Tochigi Prefecture)

  • History & Origins: Discovered in 1691 along the Kinugawa River canyon, this hot spring was strictly reserved for Buddhist monks and visiting feudal lords on their way to Nikko Toshogu Shrine during the Edo period. It opened to the public in the late 19th century.

  • Water Characteristics & Benefits: Crystal-clear, mild alkaline simple spring water. Soft and gentle on skin, it has an ancient reputation for healing minor skin wounds and burns, while relieving muscle stiffness and stress.

  • Retro Vibe: Dramatic suspension bridges stretching across the river valley and vintage steam locomotive rides (SL Taiju).

  • Latest Fees & Access: Kinugawa Park Iwaburo ~700 JPY. Tobu Railway Express 'SPACIA' from Asakusa Station direct to Kinugawa-Onsen (~2 hours).


9. Yugawara Onsen (Kanagawa Prefecture)

  • History & Origins: One of the few hot springs mentioned in the ancient Manyoshu poetry collection. Historically used by wounded samurai, it later became a preferred retreat for literary icons like Natsume Soseki and Ryunosuke Akutagawa.

  • Water Characteristics & Benefits: Weak-alkaline sodium-calcium chloride/sulfate water. Dubbed "medicine water," its mineral balance relieves chronic skin irritations, joint pain, and nervous tension.

  • Retro Vibe: Serene traditional Japanese gardens, historic literary monuments, and quiet ryokans tucked into wooded hillsides.

  • Latest Fees & Access: Doppo-no-yu Footbath Park ~500 JPY. JR Limited Express 'Odoriko' from Tokyo Station to Yugawara Station (~1 hour 15 minutes).


10. Shiobara Onsen (Tochigi Prefecture)

  • History & Origins: Discovered in 806 AD, Shiobara spans over 1,200 years of history. Nestled along the Hoki River valley, it comprises 11 distinct hot spring villages (known as "Shiobara 11 Baths").

  • Water Characteristics & Benefits: Offers an extraordinary variety of 6 different water types across its 11 springs—ranging from clear and emerald-green to milky-white and golden. Baths cater to various needs, from deep skin hydration to joint relief.

  • Retro Vibe: Suspension bridges over mountain gorges, vibrant autumn colors, and rustic alpine inns.

  • Latest Fees & Access: Yuppo-no-Sato Footbath Park ~200 JPY / Day baths ~700–1,200 JPY. Tohoku Shinkansen to Nasushiobara Station, then local bus (~45 min).


11. Chichibu Onsen (Saitama Prefecture)

  • History & Origins: Tucked away in the mountains of western Saitama, Chichibu’s springs are tied to mountain worship and pilgrims visiting the ancient Chichibu Shrine.

  • Water Characteristics & Benefits: Known for its high alkalinity and metaboric acid content. The silky water acts as a natural cleanser, washing away skin impurities and leaving it smooth and refreshed.

  • Retro Vibe: Steam locomotive train rides operated by Chichibu Railway and retro Showa-era street architecture.

  • Latest Fees & Access: Day-use bath facilities ~800–1,100 JPY. Seibu Limited Express 'Laview' from Ikebukuro to Seibu-Chichibu Station (~1 hour 20 minutes).


12. Minakami Onsen (Gunma Prefecture)

  • History & Origins: Situated at the foot of Mt. Tanigawa along the rushing Tone River, Minakami was discovered in the 16th century by a Buddhist monk traveling the historical Mikuni Highway.

  • Water Characteristics & Benefits: Pure calcium/sodium-sulfate water. It excels at promoting blood circulation, relieving frostbite, aiding recovery from exhaustion, and relaxing tight muscles.

  • Retro Vibe: Riverfront alpine lodges with panoramic views of snow-capped peaks in winter.

  • Latest Fees & Access: Public baths ~500–800 JPY. Joetsu Shinkansen from Tokyo to Jomo-Kogen Station, then bus (~25 min).


13. Gora Onsen (Kanagawa Prefecture)

  • History & Origins: Developed in 1894 during the Meiji Period, Gora was built as an exclusive, high-end villa resort for industrialists, politicians, and artists.

  • Water Characteristics & Benefits: Sourced directly from the volcanic Owakudani valley, Gora features 5 different water colors (including cloudy white sulfur water). Rich in sulfur, it expands blood vessels, lowers blood pressure, and rejuvenates skin tone.

  • Retro Vibe: Taisho-Roman aesthetic blending Western-style botanical gardens with Japanese mountain railway charm.

  • Latest Fees & Access: Day baths ~1,200–2,000 JPY. Hakone Tozan Railway from Hakone-Yumoto to Gora Station (~40 min).


14. Sengokuhara Onsen (Kanagawa Prefecture)

  • History & Origins: Located on a high plateau in northern Hakone, Sengokuhara transformed from farmland into a sophisticated highland resort during the 20th century, hosting art museums and luxury estates.

  • Water Characteristics & Benefits: Acidic calcium-sulfate water fed by volcanic vents. It gently exfoliates dead skin cells, boosts immune health, and relieves muscle stiffness.

  • Retro Vibe: Endless fields of golden pampas grass (Susu-ki) in autumn paired with mid-century modern art galleries.

  • Latest Fees & Access: Day baths ~1,000–1,800 JPY. Hakone Tozan Bus from Hakone-Yumoto Station (~30 min).


15. Yunishigawa Onsen (Tochigi Prefecture)

  • History & Origins: Legendary secret hideaway of the defeated Taira clan (Heishi) warriors who fled into these remote mountains after the Battle of Dannoura in 1185 to heal their battle wounds.

  • Water Characteristics & Benefits: Clear, mild alkaline simple spring. Completely non-irritating and gentle on the body, making it ideal for long, peaceful soaks that ease stress and nervous exhaustion.

  • Retro Vibe: Thatched-roof farmhouses and traditional sunken-hearth (Irori) charcoal dining experiences.

  • Latest Fees & Access: Day baths ~700–1,200 JPY. Yagan Railway to Yunishigawa-Onsen Station, then local bus (~20 min).



Top 5 Natural Onsens in Tokyo City


For travelers short on time, these 5 urban hot spring facilities offer authentic, nutrient-rich thermal waters right within Tokyo.

1. Shinjuku Thermae-Yu

  • Features & Water: A luxury multi-story spa facility located right in Kabukicho, Shinjuku. Thermal water is transported daily from Naka-Izu, offering sodium-calcium-sulfate water that deeply hydrates skin and relieves travel fatigue.

  • Info & Access: ~2,700 JPY (weekdays). 2-min walk from Shinjuku-sanchome Station (Exit E1) / 9-min walk from Shinjuku Station.


2. Tokyo Dome Natural Hot Spring Spa LaQua

  • Features & Water: Drawn from 1,700 meters underground within Tokyo Dome City. This amber-tinted natural sodium-chloride spring retains body heat exceptionally well, making it great for joint relief and deep muscle relaxation.

  • Info & Access: ~3,230 JPY. 3-min walk from Korakuen or Suidobashi Stations.


3. Natural Hot Spring Heiwajima

  • Features & Water: High-salinity thermal water pumping 150 tons daily from 2,000 meters below ground. The salt layer seals in heat to relax muscles. Conveniently offers direct night bus shuttles to/from Haneda Airport.

  • Info & Access: ~2,300 JPY (weekdays). 3-min bus ride from Keikyu Heiwajima Station.


4. Izumi Tenku no Yu Ariake Garden

  • Features & Water: A modern 24-hour spa complex featuring golden-hued, weak-alkaline natural thermal baths. Includes open-air baths, saunas, and dedicated female relaxation lounges.

  • Info & Access: ~2,600 JPY (weekdays). 4-min walk from Yurikamome Ariake Station.


5. Sayano Yu Dokoro

  • Features & Water: One of the rare places in Tokyo offering 100% free-flowing (Kakenagashi) greenish thermal spring water. Features a stunning traditional Japanese garden and a restored historic wooden house.

  • Info & Access: ~930 JPY weekdays (outstanding value). 8-min walk from Shimura-sakaue Station (Toei Mita Line).



Summary Comparison: Top Kanto & Tokyo Onsens


CategoryOnsen NamePrimary Water Type & BenefitsSignature Vibe / ThemeTravel Time from Tokyo
Kanto #1Kusatsu OnsenAcidic sulfur (Antibacterial, skin health)Yubatake field, Yumomi performance~3 hours
Kanto #2Ikaho OnsenGolden & Silver springs (Circulation)365 stone steps, retro shooting games~2.5 hours
Kanto #3Shima OnsenSodium/Calcium chloride (Stomach, skin)Sekizenkan (Spirited Away), blue river~3.5 hours
Kanto #4Nasu OnsenAcidic milky sulfur (Rheumatism, fatigue)Shika-no-yu bathhouse, mountain retreat~1.75 hours
Kanto #5Hakone YumotoGentle weak-alkaline (Moisturizing)Historic station shops, mountain train~1.25 hours
Kanto #6Ito OnsenMild alkaline chloride (Warmth, neuralgia)Tokaikan wooden landmark, seafood~1.6 hours
Kanto #7Atami OnsenSodium/Calcium chloride (Heat retention)Ocean views, coastal fireworks, arcades~45 min (Shinkansen)
Kanto #8Kinugawa OnsenMild alkaline simple spring (Skin wounds)Kinugawa gorge, steam locomotive~2 hours
Kanto #9Yugawara OnsenWeak-alkaline sulfate (Joints, healing)Literary history, serene Japanese gardens~1.25 hours
Kanto #10Shiobara Onsen6 water types across 11 baths (Versatile)Suspension bridges, foliage drives~2 hours
Kanto #11Chichibu OnsenHigh-alkaline spring (Smooth beauty bath)Mountain pilgrimage, steam train~1.3 hours
Kanto #12Minakami OnsenCalcium/Sodium sulfate (Circulation)Alpine views along Tone River, snow baths~1.5 hours
Kanto #13Gora Onsen5-color volcanic sulfur (Vascular health)Taisho-Roman design, mountain railway~2 hours
Kanto #14SengokuharaAcidic volcanic sulfate (Exfoliating)Pampas grass fields, art museums~2 hours
Kanto #15YunishigawaMild alkaline simple spring (Stress relief)Thatched huts, Irori hearth dining~3 hours
Tokyo #1Shinjuku Thermae-YuSodium/Calcium sulfate (Refreshed skin)Premium urban spa in downtown ShinjukuWalk from Shinjuku
Tokyo #2Spa LaQuaHigh-salinity thermal spring (Deep warmth)Entertainment spa at Tokyo Dome CityWalk from Korakuen
Tokyo #3HeiwajimaNatural salt spring (Muscle relaxation)Near Haneda Airport with shuttle busesBus from Heiwajima
Tokyo #4Izumi Tenku no YuWeak-alkaline chloride (Smooth skin)24-hour luxury resort in AriakeWalk from Ariake
Tokyo #5Sayano Yu Dokoro100% free-flowing salt spring (Moisturizing)Authentic Japanese garden & historic houseWalk from Shimura-sakaue
Whether you want to wander through historic mountain villages in yukata or soak away jet lag right inside Tokyo, these thermal havens offer the ultimate Japanese bathhouse experience.

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