Home > HOKKAIDO 北海道 > Teshikaga 弟子屈町 > Mt. Io 硫黄山
Mt. Io, meaning "Sulphur Mountain," is a lava dome spewing steam and sulphur gases. Tourists can walk and easily see the sulphur and steam vents. 
Keywords: hokkaido teshikaga iozan mountain sulfur volcano

Mt. Io, meaning "Sulphur Mountain," is a lava dome spewing steam and sulphur gases. Tourists can walk and easily see the sulphur and steam vents.

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