Nakamoto, Higashinari Ward, Osaka City
Pearl Onsen
A restored, retro-modern sento east of Osaka Castle, with a reasonably priced sauna and cold bath. The operator's FAQ says tattoos are allowed at its bathhouses; a natural spring has not been confirmed.
Check before bathing
- Opening hours
- 14:00–24:00; closed Wednesdays. Adult admission is ¥600. The sauna costs an extra ¥200 and includes a rental bath towel.
- Access
- About a 5–6-minute walk from Midoribashi Station on the Osaka Metro. No parking.
- Tattoo policy
- Allowed. Yutonami-sha's official FAQ says guests with tattoos may bathe at all of its bathhouses. Pearl Onsen is operated by Yutonami-sha.
Spring & water temperature
- Spring-source temperature
- Not published; a natural spring has not been confirmed.
- Bathing temperature
- The facility sets the cold bath at about 16°C. Fixed temperatures for the main baths are not published. The sauna is about 85°C; that is not a bath temperature.
- Spring source
- A natural spring has not been confirmed.
- Spring classification
- Neighbourhood public bathhouse. The word “onsen” in the facility name alone does not confirm a natural hot spring.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- The dry sauna and cold bath returned when the bathhouse changed hands and reopened in March 2024. Both men's and women's sides have deep and shallow baths, electric baths, bubble reclining baths, jet baths, cold baths and saunas. Current first-party information does not publish a natural-spring name or analysis, pH or yield.
The facility confirms opening hours on its current official site. There is no parking.
How to read a bath profile
Spring-source temperature and actual bathing temperature are kept separate. Each score is shown independently for comparison rather than collapsed into one overall score.
