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Mount Iō
Attraction
4.6 (47 reviews)
Active volcano with walking trails, a visitor center & eggs cooked in its sulfurous, steaming vents.
Mount Iō, Onnebetsumura, Shari, Shari District, Hokkaido 099-4356, Japan
Highlights from Reviews
• volcanic activity
Witnessing steam vents, boiling mud, and sulfur deposits up close offers a powerful and unique natural experience.
• unique landscape
The vibrant yellow sulfur crystals and white plumes create an otherworldly, beautiful, and rare sight.
• easy accessibility
The main volcanic features are a short walk from the parking lot, making it accessible for most visitors.
• MOKMOK Base facilities
The visitor center provides clean restrooms, an indoor viewing terrace, local souvenirs, and refreshments like boiled eggs.
• shared parking perks
Parking fees often cover both this site and Lake Mashu, offering good value, and are free during off-peak seasons.
