Nakano-shi Toyota Onsen Koen; Momijiso
Nakano, Nagano, Japan
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- Location
- Nakano, Nagano, Japan
- Water type
- bicarbonate
- Temperature
- 40 °C
- pH
- 8
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Restorative
LowHigh
Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Nakano-shi Toyota Onsen Koen Momijiso is in the city of Nakano, Nagano Prefecture. Its bicarbonate water flows at 40°C, pH 8. Amenities include an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — Momijiso at Toyota Onsen Park sits in the Chikuma River valley of Nagano, a prefecture synonymous with pristine bicarbonate springs. The gentle waters soften the skin and are recommended by locals for their mild anti-inflammatory properties. The park setting makes this a popular family destination, with cherry blossoms in spring and blazing foliage in autumn framing the bathhouse beautifully. Bathers can rest on wooden decks between soaks and take in the mountain scenery of the northern Alps.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 40 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).