No. 24 · Nagano

Kamisuwa Onsen

Kamisuwa Onsen ranked No. 24 in the published 2025 Japan hot-spring destination list. Check bathing options, access and stay details before planning your visit.

Kamisuwa Onsen hot-spring destination
Kamisuwa Onsen, Nagano

Spring information

Water and bathing details for Kamisuwa Onsen

Facility-level figures; blank town-wide averages are not inferred.

Named facility records for Kamisuwa Onsen. Figures marked “Not published” are not treated as town-wide averages.

FacilitySpringSource dataSupplyBath type
KatakurakanSimple hot spring (low-tonicity, weakly alkaline, high-temperature spring). Source: Kamisuwa Onsen; the current main official pages do not name the individual source used by Katakurakan.Source temperature: Not published.
pH: Not published.
The facility identifies its Sen'nin Bath as a natural hot spring and also has a lower-temperature jacuzzi spring bath. Current main text pages do not give full water addition, heating, circulation, disinfection or source-flow conditions for each pool, so the whole facility is not described as 100% source-flowing.Day-use bath. A strong first stop in Kamisuwa if you arrive by train, have two or three hours, or want to see the historic building. Suwakko Land is a better fit for multiple pools, a sauna, swimming and a lower admission price.
Suwakko LandThe facility confirms natural Kamisuwa hot-spring water but does not list a detailed chemical classification on its current main page. Source: Kamisuwa Onsen; the current main facility page does not name the individual spring used.Source temperature: Not published.
pH: Not published.
The facility says its two bathing areas, Roman and Aroma, are switched between men and women weekly and use Kamisuwa spring water. Do not assume that the cave bath, reclining bath, plain bath, herbal bath and jet bath all use the same natural spring or are source-flowing; treatment conditions are not published for each pool.Day-use bath. A good choice for drivers, families or a half-day visit built around the baths, sauna and pool. If you have only a short stop near JR Kamisuwa Station and no car, Katakurakan is easier to reach on foot.

Destination comparison

What this onsen town offers

Popularity

83/100

History

82/100

Spring character

76/100

Town culture

86/100

Seasonal scenery

92/100

Access

92/100

Local history

How the town developed

Four seasons

Seasonal conditions and travel rhythm

SpringMar–May
Daytime range: 1–20°C
SummerJun–Aug
Daytime range: 20–30°C
AutumnSep–Nov
Daytime range: 7–24°C
WinterDec–Feb
Daytime range: -5–7°C

Plan your stay

Kamisuwa Onsen: day trip or overnight?

Compare travel time, bath access and the time you want to spend in town.

One-night stay

Compare the ryokan’s bath access with public day-use options and the journey back to your next stop.

Nearby destinations

Other places in the same prefecture in the published ranking.

Related guides

Guides to Kamisuwa Onsen

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Official sources

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