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OnsenNagaranishi, Osaka
Tennen Onsen Naniwanoyu
About
Tennen Onsen Naniwanoyu is a modern, rooftop natural hot spring complex in northern Osaka, offering a rare outdoor bathing experience high above the bustling city. It is highly worth visiting for its 100% natural, skin-softening alkaline spring water pumped from deep underground, alongside various saunas, jet baths, and micro-bubble pools. Expect a relaxing local bathhouse atmosphere, complete with stone baths surrounded by greenery under the open sky.
Insider Tip
Bring your own towels to avoid a rental fee, and purchase your entry ticket from the vending machine before heading to the locker rooms.
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