Showa Retro na Onsen Sento; Tamagawa Onsen
Kawagoe, Saitama, Japan
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- Location
- Kawagoe, Saitama, Japan
- Temperature
- 40 °C
- pH
- 3.5
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Bio-active
LowHigh
Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
FerBicarbonatesManganèse
Showa Retro na Onsen Sento; Tamagawa Onsen is located in Kawagoe, Saitama Prefecture, in a bathhouse styled after the Showa era. Its iron-rich, acidic water reaches 40°C, with a low pH of 3.5. An indoor bath, an outdoor rotenburo bath and a sauna are on offer.
Insider tip — Tamagawa Onsen in Kawagoe channels the spirit of Japan's legendary Tama River acidic radium spring through its Showa-retro sento aesthetic, complete with vintage tile work and traditional wooden fixtures. The iron-rich and mildly acidic water combination is unusual and invigorating, stimulating skin renewal with a gentle tingling sensation. Kawagoe, the 'Little Edo' city north of Tokyo, surrounds this bathhouse with historic clay-walled merchant storehouses and sweet potato confectionery shops. Arrive after exploring the old town lanes for a complete day of Showa nostalgia.
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 iron-rich & acidic water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).