Osaka Osaka City
Directly connected to Osaka Station. An exceptional natural hot spring where diverse bath experiences and cutting-edge wellness intersect.
"Umekita Onsen Ren Wellbeing Park" is a large-scale wellness complex in Kita Ward, Osaka City, Osaka Prefecture. Located inside Grand Green Osaka, directly connected to Osaka Station, it offers an exceptional relaxation experience right in the heart of the city. Its natural hot spring, drawn from deep underground and rich in bicarbonate and salt, is a beauty bath that leaves the skin feeling smooth and warms the body from within. The men’s sauna features löyly and heat-wave events combining automatic and self-service löyly, while the women’s area also offers an aromatic mist sauna. With a spacious bedrock bath area, a spectacular infinity pool, a full-fledged fitness center, and a restaurant, this is a blissful wellbeing space where you can restore mind and body throughout the day.

A large bath featuring a natural hot spring rich in bicarbonate and salt, along with a wide variety of functional baths. In addition to the natural hot spring, which helps remove dead skin cells for smoother skin and offers excellent heat retention, there is a high-concentration carbonated spring that promotes circulation, a deep spa that loosens muscles with powerful jet streams, and a 24-season bath that lets you feel the changing seasons, so you can enjoy an exceptional bath-hopping experience to suit your mood that day.

A large men-only sauna equipped with an automatic aufguss function, featuring a W löyly system that combines Japan's first automatic löyly and self-service löyly. Steam and hot air envelop the entire body powerfully, delivering intense perspiration and an exhilarating feeling. Special events led by heat-wave masters are also held, making this a truly authentic setup.

A women-only Finnish-style sauna equipped with automatic löyly and automatic aufguss. The pleasant steam and hot air that rise at regular intervals gently envelop the whole body and draw out a deep sweat from the core of your body. Detoxification through perspiration and skin-beautifying effects can also be expected.

A women-only moisture sauna filled with the rich scent of aromatherapy. A flowing foot bath is installed inside, gently promoting circulation throughout the body from the feet upward. Science Co.'s Mirable Sō is also provided, bringing deep relaxation and skin-beautifying effects together with soft steam.

A mildly cool cold plunge bath designed under medical supervision to minimize stress on the body. By avoiding sudden temperature changes, you can enjoy alternating hot and cold bathing without strain. It gently cools down a body heated by the sauna and leads you into a soothing state of totonou.

A cold plunge bath in a fantastical, soothing space surrounded by blue light. With a body-friendly, mildly cool temperature setting supervised by a doctor, it gently cools the body after sauna use. You can relax visually in the stillness as well, and it supports a deep state of totonou for both mind and body.

A vast bedrock bath area with rooms themed around a wide variety of materials, including 12 kinds of natural stone, Sakurajima caldera lava, and Himalayan salt. It can be used by men and women together in special clothing, allowing you to enjoy deep-warming far infrared rays and perspiration. It also features a lava bath with automatic löyly, a meditative bath with pleasant light-and-sound effects, and dedicated cool-down rooms, so you can indulge in detox all day long.
Osaka
An urban sauna facility in the heart of Shinsaibashi, where you can explore eight distinct worlds
Osaka
Enjoy a vast open-air bath surrounded by lush green breezes, along with full-fledged saunas with distinct characters for men and women
Osaka
World baths and Japan's largest 140-person sauna theater in one place