Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Yunomori Onsen is a popular Japanese-style hot spring bath facility in Bangkok, Thailand, bringing the art and culture of Japanese onsen bathing to the heart of Southeast Asia for Thai residents and international visitors seeking an authentic mineral bathing experience in the tradition of Japan's famous hot spring culture. The facility uses genuine mineral spring water to deliver the experience of Japanese onsen — including the naturally alkaline character that makes Japanese bathing water renowned for the softness it leaves on the skin — in bathing rooms and pools designed to the aesthetic standards of a traditional Japanese bathhouse. Yunomori has become one of Bangkok's most beloved wellness destinations, representing the cultural exchange through which Japanese onsen culture has found devoted appreciation throughout Southeast Asia.
Insider tip — Yunomori is Thailand's flagship Japanese-style onsen concept, transporting the ritual of the hot spring bath to Bangkok's urban landscape. The facility recreates traditional onsen etiquette — no swimwear, full immersion — in gender-separated mineral pools. Multiple pool temperatures from 38°C to 42°C, cold plunge, and private family baths make this one of the most complete onsen experiences outside Japan. A Lanna Thai massage menu adds a local wellness dimension.