Solaniwa Onsen Osaka Bay Tower is an onsen (hot spring) theme park with an underlying theme of recreating the atmosphere of the Azuchi Momoyama era (1573 - 1603) throughout the facility. With a variety of different hot-spring baths, stone saunas, massage booths, a variety of Japanese cuisine and drink available and even a beautiful Japanese rooftop garden, Solaniwa Onsen Osaka Bay Tower is the perfect little spot to take the stress out of a heavy schedule!