No. 28 · Toyama
Unazuki Onsen
Unazuki Onsen ranked No. 28 in the published 2025 Japan hot-spring destination list. Check bathing options, access and stay details before planning your visit.
Spring information
Water and bathing details for Unazuki Onsen
Facility-level figures; blank town-wide averages are not inferred.
Named facility records for Unazuki Onsen. Figures marked “Not published” are not treated as town-wide averages.
| Facility | Spring | Source data | Supply | Bath type |
|---|---|---|---|---|
| Yumedokoro Unazuki Public Onsen | Simple spring; weakly alkaline. Source: Unazuki Onsen, supplied from the Kuroburo spring. | Source temperature: 87.8°C at the Kuroburo spring source; this is not the temperature of the facility's baths. pH: Not published; only the weakly alkaline classification is confirmed. | The operator confirms that the Tsukimi-no-Yu and Momo-no-Yu baths alternate by gender each day; an outdoor footbath and drinking spring are also available. Current pages do not publish water treatment by pool, so not all baths are described as source-flowing. | Day-use bath. A modern public bath drawing spring water from the Kuroburo source, with the Moonlight and Peach baths alternating by gender each day. It also has an outdoor footbath and drinking spring; current pages do not establish that every bath is source-flowing. |
| Kohan-no-Yu Tochino-Yu | Weakly alkaline simple spring; low-tonicity and high-temperature. Source: The Unazuki Onsen supply brought from Kuroburo. | Source temperature: 87.8°C at the Kuroburo spring source; this is not the temperature of the baths. pH: Not published; only the weakly alkaline classification is confirmed. | The operator confirms natural spring water in both the outdoor and indoor baths. Current official text does not fully specify water addition, heating, circulation or disinfection by pool, so the baths are not described as source-flowing. | Day-use bath. A lakeside outdoor bath and indoor bath using the Kuroburo spring supply. The facility reopened on August 29, 2026, after a road closure; it normally shuts for winter from early December until mid-to-late April. |
| Unazuki Yamanoha (Day Use) | Simple spring (low-tonicity, weakly alkaline, high-temperature spring) Source: Unazuki Onsen water drawn from the Kurobe Gorge's Kuro-nagi source | Source temperature: 87.8°C at the Kuro-nagi source; this is not an in-hotel bath temperature pH: Not published; only the weakly alkaline classification is confirmed | The Daikokube indoor baths and Tanayu indoor and outdoor baths use circulation and filtration, with water added and heated for temperature control. The Daikokube outdoor bath and private baths are free-flowing with water added; private baths are not available to day visitors. Women day visitors use Tanayu, while men use Daikokube, so their water systems differ. | Ryokan. Yamanoha is worth the higher day-use price if you want a large Kurobe Gorge view and a ryokan-scale bath near the station. The bathing area differs by gender, and tattooed guests cannot enter. |
Destination comparison
What this onsen town offers
History
78/100Spring character
78/100Town culture
84/100Seasonal scenery
99/100Access
70/100Local history
How the town developed
Four seasons
Seasonal conditions and travel rhythm
Plan your stay
Unazuki Onsen: day trip or overnight?
Compare travel time, bath access and the time you want to spend in town.
Day trip
Check the first and last transport connections, then confirm which baths accept day visitors and when they stop admitting guests.
Unazuki Onsen Day-Use Baths: Which One Fits Your Trip?One-night stay
Compare the ryokan’s bath access with public day-use options and the journey back to your next stop.
Stay plus a day bath
Choose one bath experience for your stay and use a day facility for a different source or setting, where the published details support it.
Unazuki Onsen Day-Use Baths: Which One Fits Your Trip?Nearby destinations
Other places in the same prefecture in the published ranking.
Related guides
Guides to Unazuki Onsen
Filter English guides by the question you need to answer.
Day-use bathsUnazuki Onsen Day-Use Baths: Which One Fits Your Trip?
Compare Unazuki’s ¥510 station-side bath, seasonal lakeside Tochi-no-yu and Yamanoha’s short afternoon day-use window by transport and timing.
Read the guide
Destinations & itinerariesUnazuki Onsen Souyu Guide: Yumedomokoro Prices, Hours and What to Expect
Find current admission, opening hours and bathing details for Souyu, Unazuki’s public hot-spring bath. Check its access and facilities before visiting.
Read the guide
Destinations & itinerariesTochi-no-yu in Unazuki: A Lakeside Onsen Worth the Detour?
Plan a visit to Tochi-no-yu by Unazuki Lake: ¥510 entry, seasonal winter closure, car access and the one-hour walk from town.
Read the guide
Day-use bathsYamanoha Day-Use Onsen: Hours, Prices and Which Bath You’ll Get
Plan a short Unazuki soak at Yamanoha: weekday and weekend prices, afternoon hours, the bath assigned to day visitors and how to reach the inn.
Read the guideOfficial sources
