sauna and cold plunge · Benten, Minato-ku, Osaka, Japan
Solaniwa Onsen Osaka Bay Tower
Bathhouse bathing is the programme: heat, cold, rest and company in one place, and people come to stay
A hot-spring theme park dressed as an Azuchi-Momoyama street: yukata at the door, a garden of open-air baths, and water from 1 000 m under Osaka Bay.
The full record, with the available operating, price and research data, is free for Bathhouse subscribers.
Venue information
- Address
- 1-2-3 Benten, Minato-ku, Osaka
- Neighbourhood
- Benten, Minato-ku
- City
- Osaka, Japan
- Status
- Open
- Access
- Day pass
Features
- Type
- Public bath
- Heat
- Onsen / hot springsFinnish saunaSteam room
- Cold
- Cold plunge
- Setting
- Urban
- Access
- Day pass
- Social model
- Gender separated
- Amenities
- Restaurant / barTreatments and massage
How it works
Operator publishes: 11:00 to 23:00, last entry 22:00 and baths until 22:30; natural hot spring from 1 000 m underground; yukata included with admission. Area and capacity not published.
Day pass with a timed last entry, not a fixed session.
Frequently asked questions
Where is Solaniwa Onsen Osaka Bay Tower?
Solaniwa Onsen Osaka Bay Tower is at 1-2-3 Benten, Minato-ku, Osaka, in Osaka, Japan.
What does Solaniwa Onsen Osaka Bay Tower have?
The published features include onsen / hot springs, finnish sauna, steam room, cold plunge, restaurant / bar and treatments and massage.
How does access to Solaniwa Onsen Osaka Bay Tower work?
The published access models include day pass. Check the current schedule and conditions on the official site before visiting.
Is Solaniwa Onsen Osaka Bay Tower open?
The status recorded by Bathhouse is: Open. The research was updated on 2026-09-01; confirm recent changes with the operator directly.
About this research
Desk research updated on 2026-09-01; anything the operator has not published stays open. Bathhouse separates what the operator publishes from what was measured on a visit, and leaves unverified fields empty.