Osaka Osakasayama City

Sayama-go Onsen Niji no Yu Osaka Sayama Branch

Natural Hot Spring
Sauna Available
Cold Bath Available

Osaka Osakasayama City

Sayama-go Onsen Niji no Yu Osaka Sayama Branch

Natural Hot Spring
Sauna Available
Cold Bath Available

About Sayama-go Onsen Niji no Yu Osaka Sayama Branch

"Sayama-go Onsen Niji no Yu Osaka Sayama Branch" is a day-use hot spring facility located in Osakasayama City, Osaka Prefecture. Warm your body from the core with the radon ceramic sauna, and finish with a gentle cold plunge bath that utilizes the negative ion effects of Binchotan charcoal. The final touch is an alkaline simple hot spring that flows at 400 liters per minute, enveloping you smoothly, while you unwind in the scenic open-air bath with a waterfall view or the various indoor baths. The facility also includes eight family baths, a dining area called 'Hana Tsubaki,' a relaxation area 'Koritori-dokoro,' and a hair salon, making it a comprehensive bathing complex where you can spend a leisurely day.

Hot SpringONSEN

Niji no Yu Osaka Sayama

Characterized by a source temperature of 34.9°C, a flow rate of 400 liters per minute, and a pH of 8.86, the water is light and gentle. Its alkalinity softens excess keratin on the skin, leaving it smooth post-bath. It retains heat well without feeling heavy, allowing for deep relaxation from the core. Enjoy an exquisite relaxation time while gazing at the waterfall view from the scenic open-air bath. It is also expected to be effective for neuralgia, muscle pain, joint pain, and more.

SaunaSAUNA

01SAUNA

Radon Ceramic Sauna

Men's

Uniquely designed with Shigaraki ware ceramic plates kneaded with radium ore. It gently warms the body, allowing for slow and deep core warming. Unlike high-temperature dry saunas, the far-infrared effect evenly heats the body from within, naturally promoting sweating. The spacious design allows for comfortable seating, and after sweating, you can smoothly transition to the cold plunge bath and outdoor air bath for a gentle recovery.

Cold BathCOLD BATH

01COLD BATH

Cold Bath

Men's

Utilizes 'body-friendly' water enhanced by the negative ion effects of premium Binchotan charcoal. Unlike regular tap water, the charcoal filtration smooths the water, making it gentle on the skin. Positioned along the sauna route, it allows for a seamless flow of rinse → immersion → outdoor air bath. Although sharply cold, it is not overly stimulating, allowing body heat to dissipate quickly and calming the body efficiently. Compact yet effectively cools down the body.