Shin'yu Onsen

Iwate · 真湯温泉

Shin'yu Onsen is a hot spring town in Iwate, Japan. The water leaves the ground at 56°C, hot. Officially the water is classed as sulfate spring and acidic spring.

Getting there

From Tokyoabout 3 h

CarNot needed

JR PassCovers the train

Train to Ichinoseki Station (Shinkansen)
Local bus, about 60 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.

Sulfate springAcidic spring

The water here

Sulfate spring 硫酸塩泉

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

Acidic spring 酸性泉

Strongly acidic, sometimes below pH 2. It stings on cuts and is not for long soaks.

Things to see nearby

Mount KurikomaMountain · 6.8 km

Lake ShowaLake · 7.1 km

Takkoku-no-IwayaCave · 18.4 km

Jeunesse Kurikoma Ski ResortSki area · 20.7 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 — Iwate