Right Onsen › Tokyo › Kodaira
King of the Baths - Koganei
3.9★ · 2,686 Google ratings · Kodaira, Tokyo · おふろの王様 花小金井店
✓ Day visitors✓ Outdoor bath✓ Kakenagashi✓ Sauna
Before you go
Can you bathe here?
Day visitors
✓ YesFrom the facility's listing
Hours
Not publishedCheck the official site
Tattoos
✕ Not allowedStated on the facility's website
Bathing
Men and women separateReported by two visitors
How we know this
- Day visitors: Listed as a super sento: a bath for day visitors by definition. No visitor review states otherwise. · from the listing category
- Tattoos: stated on the facility's website, read 2026-09
- Bathing arrangement: Reviews from 2026-04 and 2026-06 refer to separate men's and women's bathing/changing areas. · 2 visitors, Apr 2026 – Jun 2026
The bath
What you’ll find
This is a large hot-spring day-spa complex (King of the Baths, Koganei) with indoor and outdoor tubs, sauna, and a rock-bath sauna, but at the time of these reviews it was closed for a renovation planned to reopen around autumn/winter 2026, so visitors should confirm current status before going.
Bath setup
Outdoor bath
✓ YesReported by one visitor
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesConfirmed by recent visitor reports
Rest area
✓ YesReported by one visitor
Restaurant
✓ YesConfirmed by recent visitor reports
Spring water
Spring type
sodium springReported by one visitor
Free-flowing (kakenagashi)
Partly confirmedFresh spring water flows continuously through the bath
Heated
✓ YesReported by two visitors
How we know this
- Outdoor bath: A 2026-06 review described spending evenings in the outdoor bath as excellent. · 1 visitor, Jun 2026
- Sauna: Reviews from Feb-Jun 2026 describe a dry sauna, a wet steam sauna, and a salt steam room in the communal baths. · 3 visitors, Mar 2026 – Jun 2026
- Cold bath: Reviews from Feb-Jun 2026 mention a cold plunge bath (mizuburo) as part of the communal bathing area. · 3 visitors, Feb 2026 – Jun 2026
- Rest area: A 2026-03 review described a spacious rest area near the rock-bath sauna with free massage chairs. · 1 visitor, Mar 2026
- Restaurant: Multiple 2026-03 reviews mention an on-site restaurant offering set menus and weekday lunch specials. · 3 visitors, Mar 2026
- Spring type: A 2026-03 review described the hot spring water as a light-brown sodium-type spring common in the Kanto region. · 1 visitor, Mar 2026
- Free-flowing (kakenagashi): Two 2026-03 reviews describe the hot spring water as source-fed kakenagashi (heated only), while another 2026-03 review describes it as heated and recirculated. · 3 visitors, Mar 2026
- Heated: 2026-03 reviews state the spring water is heated before use. · 2 visitors, Mar 2026
Guide
Good to know
Free-flowing (kakenagashi)
Two 2026-03 reviews describe the hot spring water as source-fed kakenagashi (heated only), while another 2026-03 review describes it as heated and recirculated.
Reports differ; confirmed by recent visitor reportsPractical
What you need
Parking
✓ On siteFrom the facility's listing
Getting there
How to get there
Nearest station
Hana-KoganeiAbout 11 min on foot, 0.9 km in a straight line
Address
3 Chome-9-10 Hanakoganeiminamicho, Kodaira, Tokyo 187-0003From the facility's listing
Show a driver
おふろの王様 花小金井店The name in Japanese, for a taxi or at the counter
Website
www.ousama2603.comOfficial, in Japanese
The map loads only when you ask for it and connects your browser to Google.
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Questions
Common questions
Can I visit King of the Baths - Koganei without staying overnight?
Listed as a super sento: a bath for day visitors by definition. No visitor review states otherwise.
Is the water free-flowing spring water?
Two 2026-03 reviews describe the hot spring water as source-fed kakenagashi (heated only), while another 2026-03 review describes it as heated and recirculated.
