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Photo: 唐山健志郎 · Public domain · Wikimedia Commons

Futamata-Radium Onsen

Hokkaido · 二股ラヂウム温泉

Futamata-Radium Onsen is a hot spring town in Hokkaido, Japan. The water leaves the ground at 43°C, hot. It measures pH 7.1 — close to neutral. Officially the water is classed as chloride spring and radioactive spring. 1 inns take visitors here.

Getting there

From Sapporoabout 2 h

JR PassCovers the train

1. Train to Oshamambe Station (JR)

Fly into New Chitose. 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.

Radioactive spring 放射能泉

Contains trace radon that leaves the water quickly. Also called radium or radon springs.

More photographs

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

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

43°C

pH

7.1 (close to neutral)

Inns

1

Address in Japanese

山越郡 / border|25px 長万部町字大峯32

Figures from the town's Japanese Wikipedia article.

Where it is

42.5767, 140.2393 — open the map

Read more

Japanese Wikipedia