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Hotel Monzen no Yu
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍1907 Shimomonzen, Joetsu City, Niigata Prefecture 942-0063
Hours🕐:06:30〜00:00
Top Sante Taiyo
Natural Hot Spring
Sauna Available
Cold Bath Available
📍311-2113 1500-2 Kamihatsuki, Hokota City, Ibaraki Prefecture
Hours🕐:Hours unknown
Kokusaiji Natural Hot Spring Hana Hotel Fukaya & Spa
Natural Hot Spring
Sauna Available
Cold Bath Available
📍〒366-0033 Saitama Prefecture, Fukaya City, Kokusaiji 510-1
Hours🕐:10:00〜23:00
Ofuro no Osama Ebina
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍〒243-0402 3-6-8 Kashiwagaya, Ebina City, Kanagawa Prefecture
Hours🕐:09:00〜00:00
Hinuma Onsen Observatory Large Bath
Natural Hot Spring
Sauna Available
Cold Bath Available
📍3604 Minowa, Hokota City, Ibaraki 311-1401
Hours🕐:11:00〜14:30
Furofushi Onsen
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍〒038-2327 15-1 Hesozukuri Shimo-Kiyotaki, Fukaura Town, Nishitsugaru District, Aomori Prefecture
Hours🕐:10:30〜00:00, 04:00〜09:00
Nanasawasou
Natural Hot Spring（Flow-through）
Sauna Available
Cold Bath Available
📍〒243-0121 1830 Nanasawa, Atsugi City, Kanagawa Prefecture
Hours🕐:08:00〜19:30
Gokurakuyu Ageo Branch
Natural Hot Spring
Sauna Available
Cold Bath Available
📍〒362-0013 Saitama Prefecture, Ageo City, Ageomura 500 - 1
Hours🕐:09:00〜02:00
Natural Hot Spring Taikiyu Showa Branch
Natural Hot Spring
Sauna Available
Cold Bath Available
📍1F, 5-11-8 Showa Chuo, Kushiro, Hokkaido 084-0910
Hours🕐:12:00〜23:00
Ofuro no Ousama Seya Branch
Natural Hot Spring
Sauna Available
Cold Bath Available
📍246-0007 24-6 Megurocho, Seya Ward, Yokohama City, Kanagawa Prefecture
Hours🕐:10:00〜01:00
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