Mount Naeba (苗場山, Naeba-san) is a stratovolcano[1] on the border of Nagano and Niigata prefectures in central Honshū, Japan. It is about 200 km (124 mi) from Tokyo. It was active between 200,000 and 800,000 years ago.[1] It is primarily made of andesite.[1] | ||||||
Elevation: 2,145.3 m (7,038 ft) | ||||||
Parent peak: Mikuni Mountains | ||||||