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 1 to 10 of 133 facilities
Fuji Natural Water SPA Sauna Taka no Yu
✅Verified by Site Owner
Sauna🔥
•Sauna190°C
•Sauna2100°C
•Sauna355°C
Cold Bath❄️
•Cold Bath113°CGroundwaterFlow-through
•Cold Bath215°CGroundwaterFlow-through
•Cold Bath317°CGroundwaterFlow-through
Hours🕐:09:00〜23:00
Fuji Natural Water SPA Sauna Taka no Yu
✅Verified by Site Owner
🔥Sauna
•Sauna190°C
•Sauna2100°C
•Sauna355°C
❄️Cold Bath
•Cold Bath113°CGroundwaterFlow-through
•Cold Bath215°CGroundwaterFlow-through
•Cold Bath317°CGroundwaterFlow-through
Hours🕐:09:00〜23:00
Bathhouse FUROBAKKA
✅Verified by Site Owner
Sauna🔥
•Yamagoya Sauna90°C🪵Wood
•Anagura Sauna80°C🪵Wood
Cold Bath❄️
•Pipe Type 113°CGroundwaterFlow-through
•Pipe Type 213°CGroundwaterFlow-through
•Bathtub Type13°CGroundwaterFlow-through
Hours🕐:10:00〜23:00
Bathhouse FUROBAKKA
✅Verified by Site Owner
🔥Sauna
•Yamagoya Sauna90°C🪵Wood
•Anagura Sauna80°C🪵Wood
❄️Cold Bath
•Pipe Type 113°CGroundwaterFlow-through
•Pipe Type 213°CGroundwaterFlow-through
•Bathtub Type13°CGroundwaterFlow-through
Hours🕐:10:00〜23:00
Natural Hot Spring Kinjo Motoyu
✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Sauna90°C
Cold Bath❄️
•Cold Bath16°CGroundwaterFlow-through
Hours🕐:06:00〜23:00
Natural Hot Spring Kinjo Motoyu
✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
🔥Sauna
•Sauna90°C
❄️Cold Bath
•Cold Bath16°CGroundwaterFlow-through
Hours🕐:06:00〜23:00
Natural Hot Spring Tenkou no Yu
✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Löyly Sauna85°C
•Conversation Sauna (Barrel Sauna)85°C
•Silent Sauna Zen (Barrel Sauna)85°C
Cold Bath❄️
•Gurushin Cold Plunge Bath7°CGroundwater
•Rapid Stream Cold Plunge Bath16°CGroundwater
•Outdoor Cold Plunge Bath14°CGroundwater
Hours🕐:08:00〜23:00
Natural Hot Spring Tenkou no Yu
✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
🔥Sauna
•Löyly Sauna85°C
•Conversation Sauna (Barrel Sauna)85°C
•Silent Sauna Zen (Barrel Sauna)85°C
❄️Cold Bath
•Gurushin Cold Plunge Bath7°CGroundwater
•Rapid Stream Cold Plunge Bath16°CGroundwater
•Outdoor Cold Plunge Bath14°CGroundwater
Hours🕐:08:00〜23:00
Hoshino Onsen Tombo no Yu
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Sauna85°C
Cold Bath❄️
•Cold Bath13°CGroundwaterFlow-through
Hours🕐:10:00〜22:00
Hoshino Onsen Tombo no Yu
♨️Natural Hot Spring
♨️Flow-through
🔥Sauna
•Sauna85°C
❄️Cold Bath
•Cold Bath13°CGroundwaterFlow-through
Hours🕐:10:00〜22:00
Miyano Kaido Onsen Edo Yu
♨️Natural Hot Spring
Sauna🔥
•タワーサウナ100°C
•ロウリュサウナ85°C
Cold Bath❄️
•Cold Bath16°CGroundwaterFlow-through
Hours🕐:09:00〜00:00
Miyano Kaido Onsen Edo Yu
♨️Natural Hot Spring
🔥Sauna
•タワーサウナ100°C
•ロウリュサウナ85°C
❄️Cold Bath
•Cold Bath16°CGroundwaterFlow-through
Hours🕐:09:00〜00:00
Megumi no Yu
✅Verified by Site Owner
Sauna🔥
•High-Temperature Sauna90°C
Cold Bath❄️
•Natural Water Cold Plunge Bath18°CGroundwaterFlow-through
Hours🕐:10:00〜23:00
Megumi no Yu
✅Verified by Site Owner
🔥Sauna
•High-Temperature Sauna90°C
❄️Cold Bath
•Natural Water Cold Plunge Bath18°CGroundwaterFlow-through
Hours🕐:10:00〜23:00
Arima Kaido Onsen Suzuran no Yu
✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Auto Löyly Sauna90°C
•Forest Sauna Jouan85°C
•Steam Sauna45°C
Cold Bath❄️
•Cold Bath117°CGroundwaterFlow-through
•Hinoki Bath17°CGroundwaterFlow-through
•Pool18°CGroundwaterFlow-through
Hours🕐:10:00〜00:00
Arima Kaido Onsen Suzuran no Yu
✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
🔥Sauna
•Auto Löyly Sauna90°C
•Forest Sauna Jouan85°C
•Steam Sauna45°C
❄️Cold Bath
•Cold Bath117°CGroundwaterFlow-through
•Hinoki Bath17°CGroundwaterFlow-through
•Pool18°CGroundwaterFlow-through
Hours🕐:10:00〜00:00
Spa Alps
✅Verified by Site Owner
Sauna🔥
•Rocky Sauna93°C
Cold Bath❄️
•Main Cold Plunge Bath17°CGroundwaterFlow-through
•Vibra Cold Plunge Bath20°CGroundwaterFlow-through
Hours🕐:24 Hours
Spa Alps
✅Verified by Site Owner
🔥Sauna
•Rocky Sauna93°C
❄️Cold Bath
•Main Cold Plunge Bath17°CGroundwaterFlow-through
•Vibra Cold Plunge Bath20°CGroundwaterFlow-through
Hours🕐:24 Hours
Spadium Japon
♨️Natural Hot Spring
Sauna🔥
•Hot Löyly Sauna90°C
•Mineral Salt Sauna70°C
Cold Bath❄️
•Carbonated Cold Bath13°CGroundwater
•Cold Plunge Bath16°CGroundwater
Hours🕐:09:00〜01:00
Spadium Japon
♨️Natural Hot Spring
🔥Sauna
•Hot Löyly Sauna90°C
•Mineral Salt Sauna70°C
❄️Cold Bath
•Carbonated Cold Bath13°CGroundwater
•Cold Plunge Bath16°CGroundwater
Hours🕐:09:00〜01:00