Kuroyu photograph digest [Hot springs deep inside Japan]
They are a jigoku enough hidden-spring "Kuroyu" superior [ infernal ] and a remarkable high temperature souce of spring here to the Nyuto Onsenkyo deepest part and the Mt. Nyuto trailhead.
The jigoku of the lodge lower part, a souce of spring.
The river was pulled and it has dropped on cascading water hot springs directly.
The Kuroyu which is surrounded by a river and the mountain and is built in rich nature.
If there are not "a Kumaso's hole" that indigenous people lived, and a light, the cave of abysmal darkness and inside will be called area of about 100 mats.