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 21 to 40 of 45 facilities
Yudokoro Minori

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
Yunoizumi Soka Health Center

Yunoizumi Soka Health Center

♨️Artificial Hot Spring
Sauna🔥
•High-Temperature Sauna100°C
Cold Bath❄️
•Cold Plunge Bath with Natural Underground Water15°CGroundwaterFlow-through
Hours🕐:10:00〜08:00
Capsule & Sauna Rosco

Capsule & Sauna Rosco

Sauna🔥
•Dry Sauna115°C
Cold Bath❄️
•Natural Cold Plunge Bath (Indoor)19°CGroundwaterFlow-through
•Open-air Jacuzzi19°CGroundwaterFlow-through
Hours🕐:24 Hours
Ito no Yudokoro

Ito no Yudokoro

Sauna🔥
•Löyly Sauna90°C
•Meditation Sauna80°C
•Natural Steam Sauna50°C
Cold Bath❄️
•Cold Bath16°CGroundwaterFlow-through
Hours🕐:10:00〜23:00
Chikushi no Yu

Chikushi no Yu

Sauna🔥
•Hell Heat Wave Sauna110°C
Cold Bath❄️
•Natural Cold Plunge Bath16°CGroundwaterFlow-through
•Natural Lukewarm Bath25°CGroundwaterFlow-through
Hours🕐:10:00〜01:00
Munakata Oumaru Natural Hot Spring Yamatsubasa

Munakata Oumaru Natural Hot Spring Yamatsubasa

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•High-Temperature Auto Löyly Sauna90°C
•Hot Spring Nano Steam Sauna50°C
Cold Bath❄️
•Oumaru Natural Water Cold Plunge Bath18°CGroundwaterFlow-through
Hours🕐:10:00〜23:00
Minara Natural Hot Spring Riraku

Minara Natural Hot Spring Riraku

✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Dry Sauna90°C
Cold Bath❄️
•Tōon Alps Spring Water Cold Plunge Bath18°CGroundwaterFlow-through
Hours🕐:06:00〜00:00
Nara Royal Hotel La Royal Spa

Nara Royal Hotel La Royal Spa

♨️Natural Hot Spring
Sauna🔥
•Finnish-style Sauna90°C
Cold Bath❄️
•Cold Bath18°CGroundwaterFlow-through
Hours🕐:13:00〜22:00
Soni Highland Onsen Okame-no-Yu

Soni Highland Onsen Okame-no-Yu

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Dry Sauna90°C
Cold Bath❄️
•Cold Bath17°CGroundwaterFlow-through
Hours🕐:11:00〜20:30
Hotel Mount Fuji

Hotel Mount Fuji

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Loyly Sauna90°C
•Fugaku Steam View90°C
Cold Bath❄️
•Mount Fuji Natural Water Flow Cold Plunge Bath16°CGroundwaterFlow-through
Hours🕐:06:00〜00:00
CYCL

CYCL

📅Reservation
Sauna🔥
•Sauna90°C
Cold Bath❄️
•Cold Bath12°CGroundwaterFlow-through
Hours🕐:10:00〜18:00
Yamanashi Stay-Over Hot Spring Yorimichi no Yu

Yamanashi Stay-Over Hot Spring Yorimichi no Yu

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Izunesu (Far-Infrared Sauna)95°C
•Yorimichi no Kama (Mist Sauna)55°C
Cold Bath❄️
•Yorimichi Cold Water16°CGroundwaterFlow-through
Hours🕐:10:00〜23:00
Kawaguchiko Hotel Sakuan

Kawaguchiko Hotel Sakuan

Sauna🔥
•Lava Sauna (Self-Löyly)85°C
•Barrel Sauna80°C
•Salt Sauna45°C
Cold Bath❄️
•Fuji Spring Water Bath14°CGroundwaterFlow-through
Hours🕐:08:00〜22:00
Yudono-kan

Yudono-kan

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Bona Sauna80°C
Cold Bath❄️
•Cold Plunge Bath (Deep)15°CGroundwaterFlow-through
•Cold Plunge Bath (Shallow)15°CGroundwaterFlow-through
Hours🕐:10:00〜22:00
Noboribetsu Onsen Noboribetsu Grand Hotel

Noboribetsu Onsen Noboribetsu Grand Hotel

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Seiryu80°C
•Oni Sauna110°C
•Kuma Sauna90°C
Cold Bath❄️
•Giant Barrel Cold Plunge Bath16°CGroundwaterFlow-through
•Hinoki Cold Water Bath17°CGroundwaterFlow-through
•Cold Bath312°CGroundwaterFlow-through
Hours🕐:15:00〜02:30
Toyako Manseikaku Hotel Lakeside Terrace

Toyako Manseikaku Hotel Lakeside Terrace

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•"Hoshi no Yu" Auto/Self Löyly Sauna90°C
•"Tsuki no Yu" Auto/Self Löyly Sauna90°C
Cold Bath❄️
•"Hoshi no Yu" Open-air Cold Plunge Bath11°CGroundwaterFlow-through
•"Tsuki no Yu" Open-air Cold Plunge Bath11°CGroundwaterFlow-through
Hours🕐:03:30〜10:00
OMO7 Asahikawa Sauna Plateau by Hoshino Resorts

OMO7 Asahikawa Sauna Plateau by Hoshino Resorts

🏨Guests Only
Sauna🔥
•Finnish-style Dry Sauna90°C
•Mist Sauna60°C
Cold Bath❄️
•Natural Underground Water Bubble Cold Plunge Bath15°CGroundwaterFlow-through
Hours🕐:15:30〜00:00
Jozankei Shika no Yu

Jozankei Shika no Yu

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Shika no Mushi (Stadium Style)90°C
•Shika no Mushi (Circle Style)90°C
Cold Bath❄️
•Shibire Mizu8°CGroundwaterFlow-through
•Iyashi Mizu15°CGroundwaterFlow-through
Hours🕐:13:00〜00:00
Forest Spa Resort Hokkaido Hotel

Forest Spa Resort Hokkaido Hotel

♨️Natural Hot Spring
♨️Flow-through
🏨Guests Only
Sauna🔥
•Tokachi Sauna85°C
Cold Bath❄️
•Satsunai River Subsoil Water Cold Plunge Bath16°CGroundwaterFlow-through
Hours🕐:05:30〜09:00
Fukiage Onsen Recreation Center Shiroginsou

Fukiage Onsen Recreation Center Shiroginsou

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Dry Self-Löyly Sauna95°C
Cold Bath❄️
•Stream Water Cold Plunge Bath12°CGroundwaterFlow-through
Hours🕐:10:00〜22:00
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