is a stratovolcano on the border of Nagano and Niigata prefectures in central Honshū, Japan. It is about from Tokyo. It was active between 200,000 and 800,000 years ago. It is primarily made of andesite. It is one of the 100 Famous Japanese Mountains.
See also List of volcanoes in Japan List of mountains in Japan References
External links
Naeba San - Geological Survey of Japan