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Photo: photo: Qurren (talk) Taken with Canon PowerShot G9 X · CC BY-SA 4.0 · Wikimedia Commons

Kawarayu Onsen

Gunma · 川原湯温泉

Kawarayu Onsen is a hot spring town in Gunma, Japan. The water leaves the ground at 79.3°C, hot. Officially the water is classed as chloride spring, sulfate spring and sulfur spring. 6 inns take visitors here.

Getting there

From Tokyoabout 2 h
CarNot needed
JR PassCovers the train
  1. Train to Kawarayu-Onsen Station (JR)
  2. Walk, about 15 min

Fly into Haneda or Narita. Times are rough estimates worked out from station locations, not a timetable — check the exact route on Google Maps.

Chloride springSulfate springSulfur spring

The water here

Chloride spring 塩化物泉

Salty water. The salt leaves a thin film on the skin, so you stay warm well after leaving the bath.

Sulfate spring 硫酸塩泉

Clear water with a faintly bitter taste. Known for holding heat.

Sulfur spring 硫黄泉

The classic rotten-egg smell and milky white water. It can tarnish silver jewellery, so take it off.

More photographs

From Wikimedia Commons. Tap a photo for the photographer and licence.

Things to see nearby

Agatsuma GorgeGorge · 2.5 km
Iwabitsu CastleCastle · 9.4 km
Ōsen FallsWaterfall · 10.1 km
Mount IwabitsuMountain · 8.6 km
Kusatsu Onsen Ski ResortSki area · 13.7 km
Omote Manza Snow ParkSki area · 17.1 km

Places from Wikidata, photographs from Wikimedia Commons. Distances are in a straight line from the town.

With tattoos

Many public baths still turn away visible tattoos, and the rule is set by each bath, not by the town. The reliable way round it is to bathe privately: a room with its own open-air bath, or an inn with a private bath you can book for yourselves.

Rooms with an open-air bath — GunmaInns with a private bath — Gunma

More on tattoos and onsen

Where to stay

Onsen inns — Gunma

Opens Rakuten Travel, which lists inns in English. Onsen Guide earns a commission if you book through these links, at no extra cost to you.

Hot spring towns nearby

Kawanaka OnsenGunma · 川中温泉4.1 km northeast
Sulfate springSulfur spring
Ōtoku OnsenGunma · 応徳温泉8.6 km northwest
Chloride spring+2
Sawatari OnsenGunma · 沢渡温泉10.2 km northeast
Chloride springSulfate spring
Hanashiki OnsenGunma · 花敷温泉12.1 km northwest
Simple spring
Shiriyaki OnsenGunma · 尻焼温泉12.4 km northwest
Chloride spring
Kusatsu OnsenGunma · 草津温泉12.5 km northwest
Chloride spring+3

Similar water elsewhere

Towns further away with the same kind of water — useful if this one is hard to reach or fully booked.

Nakanosawa OnsenFukushima · 中ノ沢温泉Also sulfur and sulfate
Chloride spring+2
Tsukioka OnsenNiigata · 月岡温泉Also sulfur and sulfate
Chloride spring+2
Bankei OnsenHokkaido · 蟠渓温泉Also sulfur and sulfate
Chloride spring+2
Sakihana OnsenNiigata · 咲花温泉Also sulfur and sulfate
Chloride spring+2
Hoshikawa OnsenNagano · 星川温泉Also sulfur and sulfate
Chloride spring+2
Yamakawa OnsenKumamoto · 山川温泉Also sulfur and sulfate
Chloride spring+2

The numbers

Water temperature
79.3°C
Inns
6

Figures from the town's Japanese Wikipedia article.

Where it is

36.5476, 138.7003 — open the map

Read more

Japanese Wikipedia

Planning a first soak? Read how an onsen stay works, and what to do if you have tattoos.