Mount Iō (硫黄岳, Iō-dake) is a mountain on the border of Chino and Minamimaki, Nagano Prefecture, Japan. This mountain is one of the major mountains of Yatsugatake Mountains. Mount Iō literally means, sulphur mountain. | ||||||
Elevation: 2,760 m (9,060 ft)[1] | ||||||
Parent peak: Southern Yatsugatake Volcanic Group | ||||||