Yunomori Onsen Sukhumvit
Authentic Japanese onsen on Sukhumvit 26
Editor’s Take
Yunomori is one of those Bangkok institutions that somehow never gets old. The onsen circuit — hot pools, cold plunge, repeat — is the perfect antidote to a Bangkok day. The thermal water is legit (not just heated tap water), and the combination of Japanese bathing culture with Thai massage is inspired. The Sukhumvit 26 location is walkable from Phrom Phong BTS. Go on a weekday afternoon to avoid crowds. The 450-baht entry for the onsen alone is one of Bangkok's best wellness bargains.
About
Yunomori brought authentic Japanese onsen culture to Bangkok with real thermal spring water sourced from Wat Wangkanai. The Sukhumvit 26 facility in A-Square features multiple temperature pools with different mineral compositions, each designed to detoxify and relax. Beyond the baths, the spa menu combines Japanese onsen tradition with Thai massage techniques — a fusion that works surprisingly well.
Treatments & Services
Signature: Onsen Bathing Circuit + Thai Massage
Highlights
- ✓Real thermal spring water from Wat Wangkanai
- ✓Multiple temperature pools and mineral baths
- ✓Combined onsen and Thai spa menu
- ✓Sukhumvit 26 location near BTS Phrom Phong
- ✓Bangkok's most established onsen
Best For
Anyone wanting authentic Japanese onsen bathing without the flight to Tokyo
Contact & Info
Address
A-Square, 120/5 Soi Sukhumvit 26, Khlong Tan, Khlong Toei, Bangkok 10110
Open in Google Maps →Phone
+66 2 259 5778Hours
Daily 09:00-23:00
Languages
English, Thai, Japanese
Our Rating
Bangkok's original and best Japanese onsen. Real thermal spring water imported from Wat Wangkanai. The combination of authentic onsen culture with Thai spa treatments makes it uniquely Bangkok. A Sukhumvit institution.
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