What source feeds the onsen baths?

The baths are fed by natural geothermal mineral spring waters drawn from the volcanic bedrock of Mount Fuji.

What are the spa operating hours?

The spa and private onsen baths operate daily from 8:00am to 10:00pm.

Ultra-LuxuryCountryside

Fujikawaguchiko, Japan

32 rooms

Opened 2018

Kume Sekkei

Fujikawaguchiko, Japan

Spa & Wellness

Fufu Kawaguchiko Spa & Wellness

Name: Fufu Kawaguchiko
Address: Fujikawaguchiko, Japan

The Mizu no Iyashi Spa at Fufu Kawaguchiko is a haven of geothermal forest wellness. In addition to the private onsen bath in every suite, the spa offers therapies utilizing warm Mount Fuji volcanic basalt stones, local herbs, and organic Japanese camellia oil.

8:00am – 10:00pm daily

Facilities

Private open-air natural volcanic onsen bath on every suite balcony
Mizu no Iyashi Spa with private forest treatment suites
Forest terrace with open wood-burning fire pits
Lakeside walking paths and complimentary electric bicycles

Signature Treatment

Mount Fuji Volcanic Basalt Stone Polish and Yamanashi Herbal Restorative Deep Tissue Massage.

Fufu Kawaguchiko spa FAQ

What is the Mizu no Iyashi Spa?: The spa offers therapies utilizing warm Mount Fuji volcanic basalt stones and organic botanical oils.
What source feeds the onsen baths?: The baths are fed by natural geothermal mineral spring waters drawn from the volcanic bedrock of Mount Fuji.
What signature treatment is featured?: The signature ritual is the Mount Fuji Volcanic Basalt Stone Polish and Yamanashi Herbal Deep Tissue Massage.
What are the spa operating hours?: The spa and private onsen baths operate daily from 8:00am to 10:00pm.

Reviewed by Hotel Flock · Last updated September 2026