Groundwater Flow-through Cold Bath Facilities in Japan

Discover 45 sauna and onsen facilities with groundwater flow-through cold baths across Japan. Experience the ultimate refreshment with constantly flowing fresh water.

Showing 1 to 20 of 45 facilities
Ogaki Sauna

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
Megumi no Yu

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
Hakusanyu Rokujoten

Hakusanyu Rokujoten

✅Verified by Site Owner
Sauna🔥
•Sauna100°C
Cold Bath❄️
•Cold Bath18°CGroundwaterFlow-through
Hours🕐:15:00〜00:00
Sauna Shikiji

Sauna Shikiji

✅Verified by Site Owner
Sauna🔥
•Finnish Sauna120°C
•Herbal Sauna60°C
Cold Bath❄️
•Cold Bath18°CGroundwaterFlow-through
Hours🕐:24 Hours
Fuji Natural Water SPA Sauna Taka no Yu

Fuji Natural Water SPA Sauna Taka no Yu

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
Arima Kaido Onsen Suzuran no Yu

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°CGroundwater
•Hinoki Bath17°CGroundwaterFlow-through
•Pool18°CGroundwaterFlow-through
Hours🕐:10:00〜00:00
Green Hotel Yes Nagahama Minato-kan

Green Hotel Yes Nagahama Minato-kan

✅Verified by Site Owner
Sauna🔥
•Sauna80°C
Cold Bath❄️
•Cold Bath18°CGroundwaterFlow-through
Hours🕐:17:00〜00:00
Natural Hot Spring Yukakyo in Susukino

Natural Hot Spring Yukakyo in Susukino

✅Verified by Site Owner
♨️Natural Hot Spring
Sauna🔥
•Sauna85°C
Cold Bath❄️
•Cold Bath14°CGroundwaterFlow-through
Hours🕐:11:00〜00:00
Motomachi-yu

Motomachi-yu

✅Verified by Site Owner
Sauna🔥
•Sauna90°C
Cold Bath❄️
•Cold Bath18°CGroundwaterFlow-through
Hours🕐:13:00〜22:30
Spa Alps

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
Bathhouse FUROBAKKA

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
SPA BALNAGE

SPA BALNAGE

✅Verified by Site Owner
Sauna🔥
•Scenic Sauna90°C
•Meditation Sauna80°C
Cold Bath❄️
•Infinity Cold Plunge Bath16°CGroundwaterFlow-through
•Neutral Temperature Cold Plunge Bath30°CGroundwaterFlow-through
Hours🕐:06:00〜23:00
Sauna Talo Toyama

Sauna Talo Toyama

✅Verified by Site Owner
Sauna🔥
•Pieni Sauna80°C
•Main Sauna90°C
Cold Bath❄️
•Cold Bath16°CGroundwaterFlow-through
Hours🕐:06:00〜00:00
Natural Hot Spring Relax Park Terume Kanazawa

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 Kinjo Motoyu

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
Tanotano Onsen

Tanotano Onsen

♨️Natural Hot Spring
Sauna🔥
•Sauna100°C
Cold Bath❄️
•Cold Bath13°CGroundwaterFlow-through
Hours🕐:12:00〜21:00
kobatoisa cafe&sauna

kobatoisa cafe&sauna

✅Verified by Site Owner
📅Reservation
Sauna🔥
•Sauna Hut80°C🪵Wood
Cold Bath❄️
•Whiskey Barrel Cold Plunge Bath18°CGroundwaterFlow-through
Hours🕐:10:00〜21:00
Konoka Onsen

Konoka Onsen

♨️Natural Hot Spring
Sauna🔥
•Sauna90°C
Cold Bath❄️
•Cold BathTemp unknownGroundwaterFlow-through
Hours🕐:11:00〜21:00
Sauna Eagle

Sauna Eagle

♨️Artificial Hot Spring
Sauna🔥
•Main Sauna90°C
•Meditation Sauna80°C
Cold Bath❄️
•Single Cold Plunge Bath7°CGroundwaterFlow-through
•Double Cold Plunge Bath16°CGroundwaterFlow-through
•Silky Cold Plunge Bath30°CGroundwaterFlow-through
Hours🕐:24 Hours
Shin Gifu Sauna

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
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