beautiful valley of jigokudani or `hell valley`

100 1965 active and asia attraction autumn beautiful climbs destination erupted famous forest four from geology hell hokkaido hot japan japanese jigoku jigokudani lake landscape mount mountain national natural nature noboribetsu november onsen opened outdoors over panoramic park past rock ropeway scene scenery shikotsutaya spring steam stone times tourism tourist toya travel usu valley view views volcanic volcano wild winter years yudanaka