This is a desolate land of white ash-colored rocks, the smell of sulfur, and gushing heated steam. It is very similar to the image we have of Buddhist hell shown in many pictures. You can walk on the walkways in this hell to experience it. More about Earthquakes and Volcanoes , Click here. More about Onsen , Click here.

Deep underground, heated volcanic gas enters the underground water in Unzen, creating a lot of hot steam.