wood structure walk way of noboribetsu jigokudani hell valley: the volcano valley got its name from the sulfuric smell.

and asia attraction autumn dani destination extremely famous from got ground heat hell high hokkaido hot its japan japanese jigoku jigokudani landscape monkey mountain nagano name national natural nature noboribetsu onsen out outdoors oyunuma park rain rock scene scenery serene sky smell snow source spouting spring steam stone structure sulfur sulfuric tourism tourist trail travel valley view volcanic volcano walk water way white wild winter wood yudanaka