Iya Valley Hot Springs Hotel Hikyō-no-yu
祖谷渓温泉ホテル秘境の湯いやけいおんせんホテルひきょうのゆ
Valley-view indoor and outdoor baths in the remote Iya mountains
Day Use
NoBathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Bathing Arrangements
A private bath you can reserve for yourself or your group
Shared bathing area for all genders
Policies & Services
Allows entry with visible tattoos
Shower, wash stations, soap and shampoo provided
On-site or nearby parking available
Views
River
ForestHighlights
Jet BathAbout
Tucked into the Iya (祖谷) valley in Tokushima, this hotel takes its name from the area's reputation as a hikyo (秘境), a genuinely out-of-the-way corner of Shikoku. The indoor bath has full glass walls facing the old-growth valley forest, with jet, bubble, and reclining tubs built in. The outdoor bath sits open to the same valley scenery in every season. The water is noticeably smooth on the skin. A salt sauna and an herbal yomogi (mugwort) bath add a couple of extra soaking options.
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Last updated September 19, 2026