Kuronagi Onsen Ryokan
黒薙温泉旅館くろなぎおんせんりょかん
Remote gorge ryokan reachable only by trolley train and a mountain trail
Day Use
YesAdults ¥1,100 / children ¥500 / preschool free. Cash only.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Bathing Arrangements
A private bath you can reserve for yourself or your group
Shared bathing area for all genders
Policies & Services
A restaurant or dining room open to visitors, not only meals for overnight guests
Shower, wash stations, soap and shampoo provided
Towels to rent or borrow at the desk
On-site or nearby parking available
Views
River
ForestAbout
Kuronagi Onsen Ryokan sits at the end of a 20-minute mountain hike from Kuronagi Station on the Kurobe Gorge Railway, with no road access at all. The main draw is the large mixed rotenburo (open-air bath) called Izumi (源泉), right alongside the gorge river, plus a women's-only rotenburo called Tennyo-no-yu (天女の湯) closer to the stream. The water feels silky smooth on the skin, a quality the locals describe in Toyama dialect as "tsubetsubе." Gender-separated indoor baths are available too. The building itself dates to the Meiji era, and the spring has a long story: first discovered in 1645, it was kept secret and even forbidden under the Edo-period Kaga domain until officially permitted in 1868. The ryokan is open from May through late November only, with no TV in the rooms and very little noise beyond the river.
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Last updated September 19, 2026