Mount Monbetsu is a mountain located in Shikotsu-Toya National Park in Hokkaidō, Japan. It sits on the shore of Lake Shikotsu, a caldera lake. It also hosts a radio relay station.
Wikipedia https://en.wikipedia.org/wiki/Mount_Monbetsu
Address Japan
Coordinates 42°47'38.416" N 141°23'39.178" E