Natural Hot Spring Yunoyashiro
Natural Hot Spring Yukichiro is a day-use hot spring facility located in Kiyosu City, Aichi Prefecture. Situated on a high sandbank between the Shonai River and the Shin River, it features a weak alkaline natural hot spring with a pH of over 8.5, known as 'Bijin no Yu' (Beauty's Bath), which leaves your skin smooth. You can enjoy a variety of heat experiences, including a high-temperature dry sauna, 100% natural hot spring steam 'Yugekichi,' and the 'Zero Second Sauna' equipped with two types of cold plunge baths inside the sauna room. Relax in the open-air rock bath with free-flowing spring water, the strong carbonated bath, and the natural hot spring cold water bath 'Mizukichi,' and unwind on the 3rd-floor terrace 'River, Mountain, and Spectacular View' while gazing at the night view of Nagoya. With 15,000 comics, four restaurants, a bedrock bath, and relaxation facilities, you can enjoy a luxurious time from morning until late at night.
Facility Name
Natural Hot Spring Yunoyashiro
Facility Type
Onsen & Spa
Address
1110-1 Shimonokawara Shimonokiri, Kiyosu City, Aichi Prefecture
Website
Closed Days
None
Business Hours
Friday 09:00〜02:00
Monday 09:00〜01:00
Sunday 06:00〜01:00
Holiday 06:00〜01:00
Tuesday 09:00〜01:00
Saturday 06:00〜02:00
Thursday 09:00〜01:00
Wednesday 09:00〜01:00
Tattoo Policy
🚫 No Tattoos
♨️Hot Spring Information
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Hot Spring
Natural Hot Spring
A weak alkaline natural hot spring with a pH of over 8.5, renowned as 'Bijin no Yu' (Beauty's Bath). During bathing, it has a slippery soft water feel, and after bathing, you can experience the beauty effect of smooth skin. It is a radium spring containing radon, which activates metabolism and promotes blood circulation. The open-air rock bath is free-flowing from the source, with fresh water constantly flowing in, allowing you to fully enjoy the quality of the water. In the strong carbonated bath 'Juraku no Yu,' the high concentration of carbon dioxide gas promotes blood flow, contributing to fatigue recovery and physical improvement. You can enjoy the hot spring in various baths, including indoor, open-air, and carbonated baths, healing both body and mind.
Sauna & Cold Bath Information
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Zero Second Sauna
Male
100°C
A groundbreaking facility equipped with two types of cold plunge baths inside the sauna room. The 'Zero Second Pathway' allows you to enter the cold plunge bath just a few steps after heating up in the sauna, achieving the ultimate state of perfect relaxation. Every 15 minutes, an 'Auto Aroma Löyly' using highly beautifying aroma oils is performed, with rich scents and steam rapidly accelerating perspiration. The alternating hot and cold baths are optimized to the extreme, providing deep relaxation in a short time.
Sauna Type
Dry Sauna
Stove Type
Convection Stove (Sauna Stone)
Capacity
40people
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ストームサウナ
Male
70°C
A luxurious steam sauna using 100% natural hot spring steam. The humidity reaches almost 100%, and the heat and steam gently moisturize your hair and scalp while promoting a gradual perspiration from within. It offers a gentle heat experience different from high-temperature saunas, enhancing beauty effects without drying out the skin. Ideal for when you want to sweat while relaxing, and it is very popular among women.
Sauna Type
Steam Sauna
Stove Type
Built-in Stove
Capacity
20people
❄️
[サウナ室内]冷やし天然水
Male
14°C
A natural water cold plunge bath installed inside the Zero Second Sauna. The significant temperature difference with the room temperature rapidly cools the body heated in the sauna. With a crisp cold water temperature, even a short time in the bath tightens blood vessels, providing a sharp sense of refreshment. The ultimate pathway allows you to enter the cold plunge bath without opening the sauna room door, enhancing the quality of relaxation.
Water Quality
Groundwater
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[サウナ室内]天然水風呂
Male
20°C
A cold plunge bath installed inside the Zero Second Sauna, with a slightly higher temperature than the chilled natural water. It offers a moderate coldness, allowing for a gradual cooling of the body, making it easy to enter for those who are not fond of cold water or beginners. You can enjoy a stress-free, leisurely cool down even with a longer soak. By alternating between the two types of cold plunge baths, the variety of alternating hot and cold baths expands.
Water Quality
Groundwater
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[露天]美ず吉
Male
16°C
A luxurious cold plunge bath using natural hot spring water, installed in the open-air area. The cold water containing hot spring minerals gently envelops the skin, characterized by a soft texture different from regular cold plunge baths. Despite the coldness, the mineral content of the hot spring leaves the skin feeling moist and smooth. You can cool down while exposed to the outside air, enjoying a unique combination of refreshment and beauty benefits.
Water Quality
Hot Spring Water