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♨️ Flow-through (Hot spring / bath)
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Shiratama no Yu Kahou
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍〒959-2338 134 Tsukioka Onsen, Shibata City, Niigata Prefecture
Hours🕐:15:00〜00:00, 05:30〜10:00
Tonooka Onsen Yumoto Yumin
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍2F, 628 Kamitonooka, Iida City, Nagano Prefecture 395-0153
Hours🕐:05:00〜10:00, 14:30〜00:00
Koyokan Bettei Azare
Natural Hot Spring（Flow-through）
📍669-1231 1-47 Tamase Izuriba, Takarazuka, Hyogo Prefecture
Hours🕐:11:00〜09:00
Miyamaedaira Source Yukemurinosato
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍2-13-3 Miyamaedaira, Miyamae Ward, Kawasaki City, Kanagawa Prefecture
Hours🕐:10:00〜00:00
Gokurakuyu Royal Kawaguchi
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍332-0001 3-13-27 Asahi, Kawaguchi City, Saitama Prefecture
Hours🕐:09:00〜01:00
Susobana Gorge Natural Hot Spring Inn Uruoikan
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍〒380-0872 98, Tsumase, Minaminagano, Nagano City, Nagano Prefecture
Hours🕐:06:00〜09:00, 10:00〜23:00
Taisanji Onsen Nadeshiko no Yu
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍〒651-2108 270-1 Maekai, Iwakudani-cho, Nishi Ward, Kobe City, Hyogo Prefecture
Hours🕐:08:00〜23:00
Boyo-kaku
Natural Hot Spring（Flow-through）
Sauna Available
📍1201 Shimoda Kita, Amakusa-cho, Amakusa City, Kumamoto 863-2803
Hours🕐:05:30〜09:00, 11:00〜00:00
KIKI Shiretoko Natural Resort
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍192 Utoro Kagawa, Shari Town, Shari District, Hokkaido
Hours🕐:15:00〜00:00, 05:00〜09:30
Chichibu Onsen Mangan no Yu
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍4000 Shimohinozawa, Minano Town, Chichibu District, Saitama 369-1625
Hours🕐:10:00〜21:00
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