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♨️ Flow-through (Hot spring / bath)
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Amami Onsen Yamato Hanahana Beach Resort
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍1233 Odana, Yamato Village, Oshima District, Kagoshima 894-3106
Hours🕐:09:00〜22:00
Fukumotoya Ryokan, Kabeyu Natural Cave Hot Spring
Natural Hot Spring（Flow-through）
📍879-4723 62-1 Machida, Kokonoe Town, Kusugun, Oita Prefecture
Hours🕐:10:00〜16:00
Kinugawa Grand Hotel Yumenotoki
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍〒321-2522 Tochigi Prefecture, Nikko City, Kinugawa Onsen Ohara 1021
Hours🕐:15:00〜01:00, 05:00〜10:00
The Lake Suite Ko no Sumika
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍〒049-5731 Hokkaido, Usu District, Sobetsu Town, Toyako Onsen 7-1
Hours🕐:15:00〜01:00, 05:00〜11:00
Togen, Kurobe Unazuki Onsen
Natural Hot Spring（Flow-through）
📍938-0282 Unazuki Onsen, Kurobe City, Toyama Prefecture 22-1
Hours🕐:12:30〜10:00
Echizen Awara Onsen Tsuruya
Natural Hot Spring（Flow-through）
📍〒910-4104 Fukui Prefecture, Awara City, Onsen 4-601
Hours🕐:15:00〜10:30
Kusatsu Onsen Boun
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍377-1711 433 Kusatsu, Kusatsu-machi, Agatsuma-gun, Gunma Prefecture
Hours🕐:14:00〜03:00, 05:00〜10:00
Chikushino Onsen Amandi
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍〒818-0024 Harada 832-1, Chikushino City, Fukuoka Prefecture
Hours🕐:10:00〜00:00
Natural Radon Onsen Iwatoya
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍4627 Hongo, Midori-cho, Akitakata City, Hiroshima 731-0612
Hours🕐:15:00〜00:00, 06:00〜09:00
Kuramae Onsen Sarasa no Yu
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍591-8004 1-3-5 Kuramae-cho, Kita Ward, Sakai City, Osaka Prefecture
Hours🕐:09:00〜02:00
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