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Mt. Io, Teshikaga-cho

Witness the natural spectacle of sulfur vents at Mt. Io, an active volcano releasing sulfuric gases that often cause the surrounding landscape to turn yellow. A short 2.5 km (1.55 mi) scenic walk from the nearby town or from the onsite parking lot brings you right to the steaming vents and the rocky, barren landscape. The parking lot's fee includes access to the Lake Mashu caldera viewpoint. Plan a Teshikaga-cho trip in moments using our itinerary builder.
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Mt. Io Reviews
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TripAdvisor Traveler Rating 4.0
415 reviews
TripAdvisor
  • The sulfur smell becomes stronger as it approaches when running by car. I think that the kawayu hot spring of the stay today is related to here, too. It reminds me of Owakudani in Hakone. If you don't want to get too close, there's a viewpoint on the surrounding road, like a waiting area. (Other wise road parking is strictly prohibited because it will be a nuisance.) )
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  • I pay 500 yen for the parking lot first, but i think that there is a sense of good money because it also serves as the admission ticket of Iwoyama and the first parking fee of Lake Mashu on the expiration date.
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