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

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