Natural Hot Spring Flow-through Hot Spring Facilities in Japan

Discover 61 sauna and onsen facilities with natural hot spring flow-through hot springs across Japan. Experience luxurious bathing with fresh hot spring water flowing directly from the source.

Showing 1 to 20 of 61 facilities
SPA&HOTEL Suishun Matsuiyamate

SPA&HOTEL Suishun Matsuiyamate

✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Löyly Sauna90°C
•Herbal Salt Sauna50°C
Cold Bath❄️
•Carbonated Cold Plunge Bath15°C
Hours🕐:06:00〜02:00
Yao Grand Hotel

Yao Grand Hotel

✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Sauna1100°C
•Sauna250°C
Cold Bath❄️
•Cold Bath18°CHot Spring WaterFlow-through
Hours🕐:10:00〜08:00
Fukurou no Yu

Fukurou no Yu

✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Sauna90°C
Cold Bath❄️
•Cold Bath18°C
Hours🕐:10:00〜23:00
Arima Onsen Taiko no Yu

Arima Onsen Taiko no Yu

✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Sauna185°C
•Sauna250°C
Cold Bath❄️
•Cold Bath18°CHot Spring WaterFlow-through
Hours🕐:10:00〜23:00
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
Iyo Healing Place Kisuke no Yu

Iyo Healing Place Kisuke no Yu

✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Fujin Sauna90°C
•Oni Sauna 'Ao'90°C
•Oni Sauna 'Homura'110°C
Cold Bath❄️
•Seireisen (Cold Spring)16°CGroundwater
•Dokan Single9°CGroundwater
•Shio Seisen20°CGroundwater
Hours🕐:05:00〜02:00
Golden Time Takamatsu

Golden Time Takamatsu

✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•IKI SAUNA105°C
•Solo SAUNA90°C
•Kukai's Bath/Herbal Sauna55°C
Cold Bath❄️
•Ultimate Cold Plunge Bath8°CGroundwater
Hours🕐:24 Hours
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
Shioya Natural Hot Spring Honoyu Rakurakuen

Shioya Natural Hot Spring Honoyu Rakurakuen

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Yellow Earth High-Temperature Sauna85°C
Cold Bath❄️
•Cold Bath17°CGroundwater
Hours🕐:09:00〜23:00
ZIKKAI SPA

ZIKKAI SPA

✅Verified by Site Owner
♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Dry Sauna Neppugama90°C
•Mist Sauna Ganketsugama60°C
Cold Bath❄️
•Cold Bath13°CFlow-through
Hours🕐:10:00〜00:00
Natural Hot Spring Tenkou no Yu

Natural Hot Spring Tenkou no Yu

♨️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
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
Natural Hot Spring Mitsumine

Natural Hot Spring Mitsumine

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Löyly Sauna 'Forest of Löyly'90°C
•Far-Infrared High-Temperature Sauna90°C
Cold Bath❄️
•Cold Plunge Bath 'Forest Spring'17°CGroundwater
Hours🕐:10:00〜22:30
Natural Hot Spring Yusen-no-Sato

Natural Hot Spring Yusen-no-Sato

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Sauna90°C
Cold Bath❄️
•Cold Bath17°CGroundwater
Hours🕐:08:00〜22:00
Asahi-yu Gensen Yuiru

Asahi-yu Gensen Yuiru

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Löyly Sauna95°C
•Aufguss Sauna80°C
Cold Bath❄️
•Amber Submersion Cold Plunge Bath13°C
Hours🕐:11:00〜00:00
Tsunashima Source Yukemurinosato

Tsunashima Source Yukemurinosato

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Finnish-style Sauna90°C
•Steam Salt Sauna60°C
Cold Bath❄️
•Cold Mineral Spring Bath16°CHot Spring Water
Hours🕐:09:00〜00:00
Miyamaedaira Source Yukemurinosato

Miyamaedaira Source Yukemurinosato

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Auto Löyly Sauna90°C
Cold Bath❄️
•Cold Plunge Bath16°C
Hours🕐:10:00〜00:00
Kurama Onsen

Kurama Onsen

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Sauna90°C
Cold Bath❄️
•Cold Bath18°C
Hours🕐:10:00〜21:00
Sagano Onsen Tenzan no Yu

Sagano Onsen Tenzan no Yu

♨️Natural Hot Spring
♨️Flow-through
Sauna🔥
•Theater Sauna90°C
Cold Bath❄️
•Cold Bath16°C
Hours🕐:10:00〜00:00
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