Onsen Guides / 温泉ガイド
Long-form editorial guides on Japan's bathing culture, from etiquette and tattoo-friendly planning to water types, iconic towns, and mountain onsens.
Featured guides / 注目ガイド
Start with the strongest evergreen reads: etiquette, tattoo logistics, mountain bathing, and the destination guides that turn a search into an actual trip.
Onsen Etiquette: The Complete Guide for First-Timers
温泉マナー完全ガイド：初めての方へ
Everything you need to know before your first onsen visit, from washing rules to towel placement, silence etiquette, and what to bring.
Featured / 注目Tattoo-Friendly Onsens in Japan: The Definitive List
日本の刺青OK温泉：完全ガイド
A practical guide to tattoo-friendly onsen travel in Japan, from Kinosaki's all-welcome public baths to Beppu's famously flexible bathing culture.
Featured / 注目Mountain Onsens: Hot Springs Along Japan's Hiking Trails
山の温泉：登山道沿いの秘湯ガイド
From alpine huts to valley trailheads, these are the mountain onsens that turn a hike in Japan into a full-body reset.
Browse collections / 特集から探す
Use these data-led collection pages when you want to browse by bath feel or format first: carbonated water, sulfur, community bathhouses, wild baths, black water, mud, toji-friendly stays, mineral deposits, sakura trips, and more.
Onsens in Japan
日本の日帰り温泉特集
Browse dedicated onsen facilities across Japan, focusing on bath-first destinations rather than hotels, sento, or source-only records.
Day-Use Hotel Baths in Japan
日本の日帰りホテル・旅館風呂特集
Browse ryokan and hotel baths in Japan where day-use bathing is part of the appeal, from classic inns to resort-style stays.
Onsen Sento in Japan
日本の温泉銭湯特集
Browse sento that use onsen water, from neighborhood black-water baths to classic local thermal bathhouses.
Onsen Super Sento in Japan
日本の温泉スーパー銭湯特集
Browse super sento with onsen water, including large day-use bath complexes and newer suburban spa-style facilities.
Footbaths in Japan
日本の足湯特集
Browse onsen footbaths across Japan, from station forecourt ashiyu to small spring-town soaking stops.
Wild Baths in Japan
日本の野湯・天然浴場特集
Browse Japan's wild and natural bathing edge, from river baths and cave springs to rougher mountain-side open-air spots.
Carbonated Onsens in Japan
日本の炭酸泉特集
Browse source-backed carbonated and fizzy hot springs across Japan, anchored by natural ramune baths and CO2-rich waters.
Sulfur Onsens in Japan
日本の硫黄泉特集
Browse sulfur-heavy onsens, from sharp volcanic baths to soft milky waters and classic white-clouded springs.
Community Bathhouses in Japan
日本の共同浴場特集
Browse public bathhouses, outer baths, and local shared baths that still anchor onsen town culture.
Historic Onsen Ryokan in Japan
日本の歴史ある温泉旅館特集
Browse historic onsen inns and culturally significant stays, including traditional ryokan with preserved architecture.
Slippery and Alkaline Onsens in Japan
日本のヌルヌル系・アルカリ泉特集
Browse silky, slippery-feeling onsens and alkaline baths often associated with soft skin-friendly water.
Wild Onsens in Japan
日本の野湯・ワイルド温泉特集
Browse Japan's wilder bathing edge, from river and cave baths to remote mountain springs that still feel a little untamed.
Black-Water Onsens in Japan
日本の黒湯温泉特集
Browse Japan's dark and tea-colored baths, from Tokyo's classic kuroyu sento to other organic-rich springs around the country.
Mud Onsens in Japan
日本の泥湯温泉特集
Browse Japan's mud-heavy and earth-toned baths, from classic Doroyu and Hachimantai sulfur country to Beppu's famous mud-bath tradition.
Oil-Smelling Onsens in Japan
日本の油臭・モール泉特集
Browse the rare Japanese springs with petroleum-like or earthy moor-water character, from Niigata oddities to Hokkaido classics.
Budget Toji Onsens in Japan
日本の湯治向き・安い温泉特集
Browse affordable onsens and longer-stay bathing bases where therapeutic repeat soaking still makes practical sense.
Mineral-Deposit Onsens in Japan
日本の析出物・湯の花特集
Browse onsens where minerals shape the bath itself, from heavy yunohana and scale to cave-like deposits and encrusted rock.
Cherry Blossom Onsens in Japan
日本の桜温泉特集
Browse onsens that pair naturally with sakura season, whether the blossoms shape the bath view or the wider spring trip.
All guides / すべてのガイド
24 practical reads built from onsen-specific research, with direct links into the Yumo.to onsen directory whenever a bath or town is mentioned.
Onsen Etiquette: The Complete Guide for First-Timers
温泉マナー完全ガイド：初めての方へ
Everything you need to know before your first onsen visit, from washing rules to towel placement, silence etiquette, and what to bring.
Tattoo-Friendly Onsens in Japan: The Definitive List
日本の刺青OK温泉：完全ガイド
A practical guide to tattoo-friendly onsen travel in Japan, from Kinosaki's all-welcome public baths to Beppu's famously flexible bathing culture.
Mountain Onsens: Hot Springs Along Japan's Hiking Trails
山の温泉：登山道沿いの秘湯ガイド
From alpine huts to valley trailheads, these are the mountain onsens that turn a hike in Japan into a full-body reset.
Understanding Onsen Water: Sulfur, Alkaline, Iron and More
温泉の泉質ガイド：硫黄泉・アルカリ泉・鉄泉など
A plain-English guide to how Japanese hot spring water types feel, smell, and differ from each other in the bath.
Japan's Best Carbonated Onsens: Natural Soda Baths Worth the Trip
日本の極上炭酸泉：泡に包まれる名湯ガイド
A practical guide to Japan's naturally carbonated hot springs, from Oita's famous ramune baths to quieter iron-rich soda springs farther north and west.
Japan's Best Sulfur Onsens: Milky Waters, Strong Scents, Real Character
日本の濃い硫黄泉ガイド：白濁のにごり湯を味わう名湯
A browse-first guide to Japan's most memorable sulfur onsens, from Kusatsu's sharp acidity to softer milky baths in Akita and volcanic favorites in Beppu and Hakone.
Japan's Best Community Bathhouses: Shared Local Baths Worth Seeking Out
日本の共同浴場ガイド：地元に愛される名湯
A practical guide to Japan's community bathhouses, from easy entry points in famous onsen towns to rougher local baths where etiquette matters even more.
Historic Onsen Ryokan in Japan: Cultural Properties You Can Actually Stay In
歴史ある温泉旅館ガイド：泊まれる文化財の名湯
A browse-first guide to Japan's most memorable historic onsen inns, where the building, bath, and overnight rhythm matter as much as the water itself.
Wild Onsens in Japan: River Baths, Mountain Springs, and How to Visit Safely
日本の野湯ガイド：川湯・山中の温泉と安全な入り方
A practical guide to Japan's wilder bathing edge, from easy river and cave baths to the mountain springs that demand real judgment.
Best Budget Toji Onsens in Japan
湯治向きの安い温泉ガイド
A practical guide to Japan's more affordable therapeutic-bathing trips, from classic self-catering inns to towns where repeat bathing still makes sense.
Japan's Best Kuroyu Onsens: Dark Waters and Deep Color
黒湯温泉ガイド：黒い湯とその個性
A practical guide to Japan's black-water onsens, especially the dark urban baths of Tokyo, with a note on why Akita's famous Kuroyu means something slightly different.
Silky and Slippery Onsens in Japan
ヌルヌル・ツルツルの美肌温泉ガイド
A guide to the onsens people remember for texture first: slippery, silky, and skin-softening waters that feel totally different from sharp sulfur baths.
Japan's Best Mud Onsens
泥湯ガイド：土と火山を感じる温泉
A guide to Japan's earthiest baths, from Akita's classic Doroyu and Hachimantai mud-country to Beppu's famous mud-bath tradition.
Onsens with Incredible Mineral Deposits: Yunohana, Scale, and Cave Baths
析出物がすごい温泉ガイド：湯の花・千枚田・洞窟湯
A guide to onsens where the minerals become part of the architecture, from terraced deposits and crystal-like yunohana to cave baths shaped by time.
Japan's Best Oil-Smelling Onsens: Petroleum Notes and Moor-Water Oddities
油臭・モール系温泉ガイド：石油っぽい匂いと有機質の湯
A guide to the rare Japanese springs that smell strikingly petroleum-like, plus the neighboring moor-water baths that share some of that earthy organic character.
Japan's Best Cherry Blossom Onsens
桜が見える温泉ガイド：春に行きたい名湯
A spring-planning guide to onsens that pair beautifully with cherry blossom season, whether the petals are visible from the bath itself or shape the whole trip around it.
Kusatsu Onsen: Japan's #1 Hot Spring Town
草津温泉：日本一の温泉街ガイド
How to visit Kusatsu well, from Yubatake and free baths to the best paid baths for first-timers.
Kinosaki Onsen: Hopping the Seven Public Baths
城崎温泉：七湯外湯めぐりガイド
How to do Kinosaki properly, from yukata strolling and bath order to tattoo-friendly logistics.
Beppu's Seven Hells: A Complete Jigoku Meguri Guide
別府地獄めぐり完全ガイド：七つの地獄
How to visit Beppu's hells well, and how to pair the spectacle with actual bathing in the same city.
Ginzan Onsen in Winter: A Fairytale Snow Village
銀山温泉の冬：おとぎ話の雪景色
What makes Ginzan magical in winter, plus the practical realities of buses, bookings, and crowd timing.
Japan's Best Rotenburo: Outdoor Baths with Spectacular Views
日本の名露天風呂：絶景の野天風呂ガイド
What makes a great rotenburo, and which outdoor baths in Japan deliver the biggest sense of place.
Dogo Onsen: 3,000 Years of Bathing History
道後温泉：3,000年の入浴の歴史
Why Dogo matters historically, and how to experience it as a living town bath rather than just a famous facade.
Konyoku: Japan's Mixed-Gender Bathing Tradition
混浴温泉：日本の伝統的な共同入浴文化
What mixed bathing means today in Japan, where it still survives, and how to approach it respectfully.
The Science of Onsen: Health Benefits of Hot Spring Bathing
温泉の科学：温泉入浴の健康効果
What hot spring bathing can realistically help with, what it probably cannot, and how to soak safely.