Japan onsens
HOSHINOYA Karuizawa
Hot springs in a Japanese mountain retreat
A nature-focused stay in Karuizawa with hot-spring bathing and riverside accommodation.
Karuizawa, Nagano · Japan
Visit websiteNew Zealand · Rotorua
Polynesian Spa
Lakefront alkaline and acidic spring pools.
- Water temperature
- 40°C
- Type
- thermal bath
- Cost to bathe
- Paid entry
- Coordinates
- -38.1378, 176.2569
How to reach the water
Loading access notes…
Blue Planet network · Goods & services
Swim, move & unwind
Swimwear, yoga wear, hiking footwear, meditation retreats and onsens in Japan.
Independent selections, not confirmed sponsors. Images are illustrative, not brand products or photographs of the named retreats. Swimwear is for pools where permitted; Japanese onsen bathing rules vary.