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Sannai Onsen

Aomori · 三内温泉

Sannai Onsen is a hot spring town in Aomori, Japan. The water leaves the ground at 46°C, hot. Officially the water is classed as chloride spring and sulfur spring.

Getting there

From Tokyoabout 3½ h

CarNot needed

JR PassCovers the train

1. Train to Shin-Aomori Station (Shinkansen)
2. Walk, about 25 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.

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.

Sulfur spring 硫黄泉

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

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

46°C

Address in Japanese

青森県青森市三内沢部306-1

Figures from the town's Japanese Wikipedia article.

Where it is

40.8150, 140.6864 — open the map

Read more

Japanese Wikipedia