Ikarigaseki Onsenkan
Hirosaki, Aomori, Japan
- Location
- Hirosaki, Aomori, Japan
- Water type
- iron-rich
- Temperature
- 41 °C
- pH
- 6.3
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
Ikarigaseki Onsenkan is a bathhouse in Hirosaki, Aomori prefecture. The iron-rich water, at pH 6.3, rises here at 41°C, feeding an indoor bath, a rotenburo and a sauna.
Insider tip — Ikarigaseki Onsenkan is anchored in the historic post-town of Ikarigaseki on the old road between Aomori and Akita, where iron-rich spring water has soothed travelers for generations. The amber-brown water carries a satisfying mineral weight and a subtle metallic aroma that confirms its deep geological origin. The bathhouse retains a nostalgic Showa-era atmosphere, with wooden fittings and a low-key elegance that makes it a favorite subject for photographers and heritage enthusiasts. The surrounding autumn foliage makes late October the most spectacular time to visit.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 41 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features iron-rich water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).