Oiwake Onsen
Miyagi · 追分温泉
Oiwake Onsen is a hot spring town in Miyagi, Japan. Officially the water is classed as radioactive spring.
Radioactive spring
The water here
Radioactive spring 放射能泉
Contains trace radon that leaves the water quickly. Also called radium or radon springs.
Where it is
38.5810, 141.3681 — open the map
Read more
Japanese Wikipedia
Other towns in Miyagi