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♨️ Flow-through (Hot spring / bath)
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The "Official Partner" mark indicates facilities that collaborate with us to provide or verify information and photos.
The Grand Spa Nandaimon
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍3-2-18 Imaizumi, Utsunomiya City, Tochigi Prefecture
Hours🕐:10:00〜09:00
Mutsuzawa Onsen Tsudoi no Yu
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍299-4422 2-1 Mori, Mutsuzawa Town, Chosei District, Chiba Prefecture
Hours🕐:10:00〜21:00
Kunitachi Onsen Yurakunosato
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍〒186-0012 Tokyo, Kunitachi City, Izumi 3-chome 29-11
Hours🕐:09:00〜01:00
Ikaho Onsen Ryokan Jushin no Sato Hibikino
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍403-125 Ikaho, Ikaho-machi, Shibukawa-shi, Gunma 377-0102
Hours🕐:15:00〜01:00, 05:00〜09:30
Yudenkan
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍33-1 Wakamiya, Chuo City, Yamanashi Prefecture
Hours🕐:10:00〜23:00
Moriaki Ryokan Ikaho Onsen
Natural Hot Spring（Flow-through）
📍〒377-0102 60, Ikaho, Ikaho-machi, Shibukawa City, Gunma Prefecture
Hours🕐:15:00〜09:00
Honke Bankyu
Natural Hot Spring（Flow-through）
📍321-2601 749 Yunishigawa, Nikkō City, Tochigi Prefecture
Hours🕐:15:00〜10:00
Shirakusui Onsen Yumeshizuku
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍5-56 Kain, Minamiaso-mura, Aso-gun, Kumamoto 869-1411
Hours🕐:15:00〜23:00, 06:00〜09:00
Hinagu Onsen Center Banpeiyu
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍〒869-5135 316 Hinagunakamachi, Yatsushiro City, Kumamoto Prefecture
Hours🕐:10:00〜22:00
Ohtawara Onsen Taiyo no Yu
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍324-0062 Tochigi Prefecture, Ohtawara City, Nakatawara 593-3
Hours🕐:10:00〜22:00
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