Obama Onsen in Unzen City boasts the hottest water in Japan, with approximately 15,000 tons of hot water gushing forth every day from around 30 different sources. The high-quality sodium chloride spring water is effective for joint pain, neuralgia, and poor circulation. Each facility also has its own unique charm, such as the observation bath with a view of Tachibana Bay and the Showa-era retro "Otasshan-yu" bath. Why not heal your mind and body at Obama Onsen?
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