view landscape owakudani mountain crater created during the last eruption and sulfur vapors and warm rivers of mount hakone for

adventure asia attraction crater created danger destination during earth environment eruption exploration famous for fumarole gas geology geothermal hakone hakoneyama hill idyllic japan japanese kanagawa landmark landscape last mineral mount mountain natural nature owakudani peak people poison quarry rivers rock rocky scene scenery scenic sightseeing smoke steam sulfur sulphur thermal tourism tourist travel travelers trip valley vapors view visit volcanic volcano warm