noboribetsu jigokudani hell valley with hotel and mountain: the volcano valley got its name from the sulfuric smell.

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