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 21 to 30 of 133 facilities
Kawanakajima Onsen Terume DOME
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Löyly Sauna85°C
Cold Bath❄️
•Cold Plunge Bath15°CGroundwaterFlow-through
Hours🕐:10:00〜00:00
Kawanakajima Onsen Terume DOME
♨️Natural Hot Spring
♨️Flow-through
🔥Sauna
•Löyly Sauna85°C
❄️Cold Bath
•Cold Plunge Bath15°CGroundwaterFlow-through
Hours🕐:10:00〜00:00
Natural Hot Spring Kaze no Mori
♨️Natural Hot Spring
Sauna🔥
•高温サウナ90°C
Cold Bath❄️
•Cold Bath16°CGroundwater
Hours🕐:10:00〜23:00
Natural Hot Spring Kaze no Mori
♨️Natural Hot Spring
🔥Sauna
•高温サウナ90°C
❄️Cold Bath
•Cold Bath16°CGroundwater
Hours🕐:10:00〜23:00
Hotland NANAO
♨️Natural Hot Spring
Sauna🔥
•フィンランド式サウナ90°C
Cold Bath❄️
•天然水風呂16°CGroundwater
Hours🕐:10:00〜22:00
Hotland NANAO
♨️Natural Hot Spring
🔥Sauna
•フィンランド式サウナ90°C
❄️Cold Bath
•天然水風呂16°CGroundwater
Hours🕐:10:00〜22:00
Sapurasu
♨️Natural Hot Spring
Sauna🔥
•薪ストーブサウナ80°C🪵Wood
•電気ストーブサウナ90°C
Cold Bath❄️
•Cold Bath15°CGroundwaterFlow-through
Hours🕐:11:30〜22:00
Sapurasu
♨️Natural Hot Spring
🔥Sauna
•薪ストーブサウナ80°C🪵Wood
•電気ストーブサウナ90°C
❄️Cold Bath
•Cold Bath15°CGroundwaterFlow-through
Hours🕐:11:30〜22:00
Natural Hot Spring Relax Park Terume Kanazawa
✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Stadium Sauna90°C
•Classic Sauna80°C
Cold Bath❄️
•Cold Bath18°CGroundwaterFlow-through
Hours🕐:24 Hours
Natural Hot Spring Relax Park Terume Kanazawa
✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
🔥Sauna
•Stadium Sauna90°C
•Classic Sauna80°C
❄️Cold Bath
•Cold Bath18°CGroundwaterFlow-through
Hours🕐:24 Hours
Shin Gifu Sauna
Sauna🔥
•Finnish-style Large Room Sauna95°C
•Private Sauna 'The Finland'80°C
•Private Sauna 'The Standard'90°C
•Private Sauna 'The Reiwa Strong'100°C
•Herbal Steam Sauna70°C
Cold Bath❄️
•Extreme Cold7°CGroundwaterFlow-through
•The Just15°CGroundwaterFlow-through
•Zero Gravity27°CGroundwaterFlow-through
Hours🕐:24 Hours
Shin Gifu Sauna
🔥Sauna
•Finnish-style Large Room Sauna95°C
•Private Sauna 'The Finland'80°C
•Private Sauna 'The Standard'90°C
•Private Sauna 'The Reiwa Strong'100°C
•Herbal Steam Sauna70°C
❄️Cold Bath
•Extreme Cold7°CGroundwaterFlow-through
•The Just15°CGroundwaterFlow-through
•Zero Gravity27°CGroundwaterFlow-through
Hours🕐:24 Hours
Koino Onsen Uharano-yu
✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Far-Infrared High-Temperature Sauna80°C
•Salt Sauna (Low-Temperature Steam Sauna)60°C
Cold Bath❄️
•Rokko Spring Water Bath16°CGroundwater
Hours🕐:06:00〜23:30
Koino Onsen Uharano-yu
✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
🔥Sauna
•Far-Infrared High-Temperature Sauna80°C
•Salt Sauna (Low-Temperature Steam Sauna)60°C
❄️Cold Bath
•Rokko Spring Water Bath16°CGroundwater
Hours🕐:06:00〜23:30
Spa Resort Oasis Gotemba
Sauna🔥
•Dry Sauna95°C
•Mist Sauna40°C
Cold Bath❄️
•Mt. Fuji Underground Natural Cold Plunge Bath15°CGroundwater
•Cold Bath223°C
Hours🕐:10:00〜09:00
Spa Resort Oasis Gotemba
🔥Sauna
•Dry Sauna95°C
•Mist Sauna40°C
❄️Cold Bath
•Mt. Fuji Underground Natural Cold Plunge Bath15°CGroundwater
•Cold Bath223°C
Hours🕐:10:00〜09:00
Jizo Onsen Jippuku no Yu
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Forest Sauna Made from Natural Cypress90°C
Cold Bath❄️
•Open-Air Cold Plunge Bath with Natural Water13°CGroundwaterFlow-through
Hours🕐:10:00〜21:00
Jizo Onsen Jippuku no Yu
♨️Natural Hot Spring
♨️Flow-through
🔥Sauna
•Forest Sauna Made from Natural Cypress90°C
❄️Cold Bath
•Open-Air Cold Plunge Bath with Natural Water13°CGroundwaterFlow-through
Hours🕐:10:00〜21:00
Manten no Yu Toyama Branch
♨️Artificial Hot Spring
Sauna🔥
•高温タワーサウナ90°C
Cold Bath❄️
•備長炭冷水風呂16°CGroundwater
Hours🕐:08:00〜00:00
Manten no Yu Toyama Branch
♨️Artificial Hot Spring
🔥Sauna
•高温タワーサウナ90°C
❄️Cold Bath
•備長炭冷水風呂16°CGroundwater
Hours🕐:08:00〜00:00