Groundwater Water Sauna & Onsen Facilities in Japan
Discover 133 sauna and onsen facilities with groundwater water across Japan. Find your perfect sauna with detailed information on temperature, water quality, and operating hours.
Showing 11 to 20 of 133 facilities
Natural Hot Spring Zaboon
♨️Natural Hot Spring
Sauna🔥
•Hot Air Sauna100°C
•Finnish Sauna85°C
Cold Bath❄️
•Natural Cold Water Bath13°CGroundwaterFlow-through
Hours🕐:09:00〜02:00
Natural Hot Spring Zaboon
♨️Natural Hot Spring
🔥Sauna
•Hot Air Sauna100°C
•Finnish Sauna85°C
❄️Cold Bath
•Natural Cold Water Bath13°CGroundwaterFlow-through
Hours🕐:09:00〜02:00
Ringo no Yuya Obu
Sauna🔥
•Otokomae SAUNA90°C
•Arigatou SAUNA90°C
Cold Bath❄️
•Binchotan Cold Water Bath16°CGroundwater
•Hitori Mizu16°CGroundwaterFlow-through
Hours🕐:09:00〜23:00
Ringo no Yuya Obu
🔥Sauna
•Otokomae SAUNA90°C
•Arigatou SAUNA90°C
❄️Cold Bath
•Binchotan Cold Water Bath16°CGroundwater
•Hitori Mizu16°CGroundwaterFlow-through
Hours🕐:09:00〜23:00
Natural Hot Spring Flow Shiawase no Yu
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Loess Sauna90°C
Cold Bath❄️
•Cold Bath15°CGroundwaterFlow-through
Hours🕐:10:00〜00:00
Natural Hot Spring Flow Shiawase no Yu
♨️Natural Hot Spring
♨️Flow-through
🔥Sauna
•Loess Sauna90°C
❄️Cold Bath
•Cold Bath15°CGroundwaterFlow-through
Hours🕐:10:00〜00:00
Ogaki Sauna
✅Verified by Site Owner
Sauna🔥
•Sauna110°C
Cold Bath❄️
•Cold Plunge Bath with Natural Underground Water14°CGroundwaterFlow-through
Hours🕐:11:00〜00:00
Ogaki Sauna
✅Verified by Site Owner
🔥Sauna
•Sauna110°C
❄️Cold Bath
•Cold Plunge Bath with Natural Underground Water14°CGroundwaterFlow-through
Hours🕐:11:00〜00:00
Sauna Shikiji
✅Verified by Site Owner
Sauna🔥
•Finnish Sauna120°C
•Herbal Sauna60°C
Cold Bath❄️
•Cold Bath18°CGroundwaterFlow-through
Hours🕐:24 Hours
Sauna Shikiji
✅Verified by Site Owner
🔥Sauna
•Finnish Sauna120°C
•Herbal Sauna60°C
❄️Cold Bath
•Cold Bath18°CGroundwaterFlow-through
Hours🕐:24 Hours
Natural Hot Spring Nobinoyu Tsuruhashi Branch
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Netsufumuro90°C
•Netsu no Shitsu90°C
Cold Bath❄️
•Groundwater Cold Plunge Bath16°CGroundwater
Hours🕐:09:00〜02:00
Natural Hot Spring Nobinoyu Tsuruhashi Branch
♨️Natural Hot Spring
♨️Flow-through
🔥Sauna
•Netsufumuro90°C
•Netsu no Shitsu90°C
❄️Cold Bath
•Groundwater Cold Plunge Bath16°CGroundwater
Hours🕐:09:00〜02:00
Koten no Yu - Shirakaba Resort
♨️Natural Hot Spring
Sauna🔥
•Dry Sauna90°C
•Scenic Sauna - Ku -90°C
Cold Bath❄️
•Cold Bath115°CGroundwaterFlow-through
•Cascading Cold Plunge Bath13°CGroundwaterFlow-through
Hours🕐:06:00〜10:00, 11:30〜01:00
Koten no Yu - Shirakaba Resort
♨️Natural Hot Spring
🔥Sauna
•Dry Sauna90°C
•Scenic Sauna - Ku -90°C
❄️Cold Bath
•Cold Bath115°CGroundwaterFlow-through
•Cascading Cold Plunge Bath13°CGroundwaterFlow-through
Hours🕐:06:00〜10:00, 11:30〜01:00
Natural Hot Spring Kaiou
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•ikiサウナ90°C
•CUBERUサウナ90°C
Cold Bath❄️
•[Indoor Bath] Cold Plunge Bath14°CGroundwaterFlow-through
•208ポリバケツ伏流水ぶろ14°CGroundwaterFlow-through
Hours🕐:Hours unknown
Natural Hot Spring Kaiou
♨️Natural Hot Spring
♨️Flow-through
🔥Sauna
•ikiサウナ90°C
•CUBERUサウナ90°C
❄️Cold Bath
•[Indoor Bath] Cold Plunge Bath14°CGroundwaterFlow-through
•208ポリバケツ伏流水ぶろ14°CGroundwaterFlow-through
Hours🕐:Hours unknown
Omaruyama Hotel
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•フィンランド式サウナ80°C
Cold Bath❄️
•Cold Bath17°CGroundwaterFlow-through
Hours🕐:05:30〜08:30
Omaruyama Hotel
♨️Natural Hot Spring
♨️Flow-through
🔥Sauna
•フィンランド式サウナ80°C
❄️Cold Bath
•Cold Bath17°CGroundwaterFlow-through
Hours🕐:05:30〜08:30
Yudokoro Minori
♨️Natural Hot Spring
♨️Flow-through
Cold Bath❄️
•Cold Plunge Bath12°CGroundwaterFlow-through
•Cool Water Bath20°CGroundwaterFlow-through
•Vibra Cold Bath (Open-Air)13°CGroundwaterFlow-through
Hours🕐:06:00〜00:00
Yudokoro Minori
♨️Natural Hot Spring
♨️Flow-through
❄️Cold Bath
•Cold Plunge Bath12°CGroundwaterFlow-through
•Cool Water Bath20°CGroundwaterFlow-through
•Vibra Cold Bath (Open-Air)13°CGroundwaterFlow-through
Hours🕐:06:00〜00:00