Mt. Io
A spot where you can feel the dynamism of an active volcano
Mt. Io is an active volcano with an altitude of 512 m. White smoke containing sulfur rises from the mountainsides, which have a countless number of fumaroles. You can go up close to the fumaroles for the full impact as the smell of sulfur envelopes you. A large community of marsh tea, which produces beautiful, pure white flowers from June to July, spreads across the foot of the mountain. The Tsutsujigahara Nature Trail has been developed from Kawayu hot spring town to Mt. Io, so you can take a leisurely walk along the trail. Guided tours are conducted from early June to early July.
Atosanupuri, the Ainu name for Mount Io, is an active volcano that sporadically erupts into clouds of sulfur. To explore this fascinating landmark, walk along a 2.4-kilometer trail that connects the mountain to the Kawayu Onsen. Despite the relatively short distance and low elevation, you can admire beautiful alpine plants and trees that can normally only be seen on steep mountain paths thanks to the effects of Mount Io’s volcanic activity on the soil. Why not enrich your adventure with the help of a guide? A local expert can show you how past eruptions have carved out this stunning landscape and created the perfect habitat for unique wildlife.
- * Please note that the text shown on this page includes machine translations.
- Category
- With friends
- Shopping
- Solo trip
- Guys' trip
- Girls' trip
- Couple
- Family
- Travel style
- Souvenirs
- Animal habitats, plant habitats
- Mountain, ridge, plateau, marshland, canyon
- Natural scenery, spectacular views
- Travel Inspiration
- Enjoy spectacular views
- Best for a girls' trip
- Nearest airports
General Information
- Address
- 北海道川上郡弟子屈町硫黄山
- Telephone Number
- 015-483-3511（Iouzan Rest House）
- Car Park
- paid
- Directions
- ●By car: About 5 minutes from JR Kawayu Onsen Station
●By car: About 140 minutes from Doto Expwy Ashoro IC - Website
* Information on facilities is subject to change. Please check each official website for the latest information.
