Oyunumagawa Waterfall

Jigokudani (地獄谷) or "Hell Valley" is a spectacular, appropriately named valley just above the town of Noboribetsu Onsen, which displays hot steam vents, sulfurous streams and other volcanic activity. It is a main source of Noboribetsu's hot spring waters.

www.japan-guide.com/e/e6751.html

 

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