Spa World - The World's Largest Hot Spring

Good to know before you go

Getting there: Dōbutsuen-mae Station · 1 min walk (Osaka Metro Midosuji Line, Osaka Metro Sakaisuji Line)
Hours: 10:00–8:45 next day (closed 8:45–10:00 for cleaning/inspection; on monthly bath switchover days, bathing ends at 7:45)
Admission: Baths only: ¥1,500 (adults), ¥1,000 (children); Baths & pool: weekdays ¥2,000 (adults), ¥1,200 (children); weekends/holidays ¥2,700 (adults), ¥1,700 (children); overnight surcharge (24:00–5:00) ¥1,300 plus ¥150 bath tax
Time needed: 3–5 hours
Best time to go: Weekday mornings from 10:00 to early afternoon to avoid heavy crowds and long queues at the automated checkout machines

Hours can change on holidays — check the official site before travelling.

Location

Japan, 〒556-0002 Osaka, Naniwa Ward, Ebisuhigashi, 3-chōme−4−４スパワールド世界の大温泉

Ebisuhigashi, Osaka

About

Spa World is a massive, multi-story thermal resort in Osaka featuring themed baths modeled after European and Asian countries. Spread across gender-segregated zones that rotate monthly, it offers everything from a Roman amphitheater pool to a traditional Japanese open-air bath. It is highly worth visiting for its sheer scale, 24-hour access, and the unique chance to experience global bathing cultures all under one roof.

What Japanese guides note

Bathing floors clear out entirely between 8:45 and 10:00 every morning for daily maintenance and sanitation, meaning overnight guests cannot bathe during this window. Japanese visitors often combine a half-day soak with a dining stroll through the neighboring Shinsekai district for kushikatsu. Tattoos are not permitted under any circumstances, and covering them with tape or rash guards is not accepted.

Details from local sources

The gender allocation switches by calendar month, assigning the 4th-floor European Zone to men and the 6th-floor Asian Zone to women during odd months, and swapping them during even months. [source]
The natural spring pumped onsite is registered as Tennoji Sekai no Onsen, emerging at 38.9 degrees Celsius as a neutral, hypotonic simple spring. [source]
Every visitor must process their wristband through an automated checkout kiosk on the second floor before the exit turnstiles will open, even if zero yen was spent inside. [source]
Entry is completely barred to anyone with tattoos, regardless of whether the markings are permanent ink, body paint, or decorative adhesive stickers. [source]

Insider Tip

Bring your own scrubbing towel and hairbands, as Spa World charges extra for some amenities that are usually free in smaller onsens.

Frequently asked

Can I visit both the European and Asian bath floors on the same day?

No, guests can access only one zone per visit. The European bath on the 4th floor and the Asian bath on the 6th floor alternate by gender every month, with odd months allocated to men on 4F and women on 6F, reversing completely on even months.

Are tattoos allowed if covered with waterproof bandages or rash guards?

No, tattoos are strictly forbidden throughout the entire complex. The facility maintains a zero-tolerance policy covering permanent ink, body art, paint, and removable stickers. Staff do not permit bandages or concealment clothing, and discovered patrons are escorted out immediately without refunds.

Can I sleep here overnight without booking a hotel room?

Yes, day visitors can stay overnight in relaxation lounges. Remaining inside the complex between 24:00 and 5:00 automatically triggers a late-night surcharge of ¥1,300 plus a ¥150 municipal bath tax. All overnight guests must settle payments and exit before 9:00 the following morning.