Ultra-LuxuryCity
Kyoto, Japan
161 rooms
Kyoto, Japan
Spa & Wellness
The Mitsui Kyoto, a Luxury Collection Hotel & Spa Spa & Wellness
The Thermal Spring Spa at The Mitsui Kyoto is a Forbes Five-Star subterranean onsen wellness sanctuary. Facilities include natural geothermal hot spring mineral vitality pools (swimwear required), private onsen suites, steam rooms, saunas, and therapies rooted in traditional Japanese botanicals and Shiatsu.
6:00am – 10:00pm daily
Facilities
- Subterranean natural geothermal thermal spring onsen pool with stone walls
- Forbes Five-Star Spa featuring private onsen suites and traditional Shiatsu rituals
- Restored 300-year-old historic Kajiimiya Gate dating back to 1703 at the entrance
- 1,300-square-metre central Japanese landscaped water garden courtyard
Signature Treatment
Kyoto Green Tea and Mineral Salt Polish and Four Seasons Restorative Deep Tissue Massage.
The Mitsui Kyoto, a Luxury Collection Hotel & Spa spa FAQ
- What water is used in the Thermal Spring Spa?
- The spa utilizes natural geothermal mineral hot spring waters drawn from deep beneath the Kyoto property.
- What rating does the spa hold?
- The Thermal Spring Spa at The Mitsui Kyoto holds a prestigious Forbes Travel Guide Five-Star award.
- What signature treatment is featured?
- The signature ritual is the Kyoto Green Tea Polish and Four Seasons Restorative Deep Tissue Massage.
- What are the spa operating hours?
- The Thermal Spring Spa is open daily from 6:00am to 10:00pm.
Reviewed by Hotel Flock · Last updated September 2026