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Ubako Onsen

Kanagawa · 姥子温泉

Ubako Onsen is a hot spring town in Kanagawa, Japan. The water leaves the ground at 44–63°C, hot. Officially the water is classed as sulfate spring.

Getting there

From Tokyoabout 1½ h

From Kyoto / Osakaabout 3 h

CarNot needed

JR PassNot a JR line

1. Train to Ubako Station
2. A short walk

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

The water here

Sulfate spring 硫酸塩泉

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

Things to see nearby

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.

More on tattoos and onsen

Where to stay

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

Similar water elsewhere

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

The numbers

Water temperature

44–63°C

Address in Japanese

神奈川県足柄下郡箱根町

Figures from the town's Japanese Wikipedia article.

Where it is

35.2431, 139.0094 — open the map

Read more

Japanese Wikipedia