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] It is one of the 100 Famous Japanese Mountains.