Semineizaka Onsen; Hoju no Yu
Hanaizumi, Iwate, Japan
- Location
- Hanaizumi, Iwate, Japan
- Water type
- thermal
- Temperature
- 41 °C
- pH
- 7.3
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Balancing
LowHigh
Rich in trace elements — gentle on the skin.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesCalcium
Semineizaka Onsen / Hoju no Yu is located in Hanaizumi, Iwate Prefecture. Its thermal water, at 41°C, fills an indoor bath and an outdoor rotenburo, with a sauna also on site.
Insider tip — Semineizaka Onsen, known as Hoju no Yu, draws clean thermal waters in the Hanaizumi area of Iwate Prefecture, a region celebrated for its healing spring culture. The facility offers simple, honest bathing with no frills, perfectly suited to quiet countryside relaxation. Combine a visit with a stroll along the Kitakami River valley for a full restorative afternoon.
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 thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).