Natural Hot Spring Kinunoyu
Natural Hot Spring Kinunoyu is a day-use hot spring facility located in Joso City, Ibaraki Prefecture. It features two natural sources that spring from 980m and 1260m underground, providing a generous flow of 349 liters per minute to each bath. The warmth and heat retention of the chloride spring deeply soothe fatigue. Sweat it out in one of the three types of saunas: a large stadium sauna, a meditation sauna, and a salt sauna, and then cool off with the crisp natural spring water, Kinu no Yusui. The open-air baths include unique tubs crafted from cypress barrels, Shigaraki ware bowls, and natural granite, showcasing the craftsmanship of artisans. The indoor baths offer a variety of experiences, including carbonated baths and daily herbal baths. The facility also includes a spa, restaurant, and local goods shop, allowing you to fully enjoy a day of relaxation and healing.
Facility Name
Natural Hot Spring Kinunoyu
Facility Type
Onsen & Spa
Address
1-5-6 Kinunosato, Uchimoriya-machi, Joso City, Ibaraki Prefecture
Website
Closed Days
水
Business Hours
Friday 09:00〜23:00
Monday 09:00〜23:00
Sunday 09:00〜23:00
Holiday 09:00〜23:00
Tuesday 09:00〜23:00
Saturday 09:00〜23:00
Thursday 09:00〜23:00
Wednesday 定休日
Tattoo Policy
🚫 No Tattoos
♨️Hot Spring Information
♨️
Kinunoyu Onsen
Natural Hot Spring
Flow-through
A luxurious hot spring with two natural sources springing from 980m and 1260m underground, providing a generous flow of 349 liters per minute to each bath. The water has a salty film-like texture, leaving a gentle saltiness on the skin after bathing, with very high heat retention. It is mildly alkaline, gentle on the skin, and expected to have beauty benefits. The source water is poured into a variety of baths, such as the open-air 'Shiki no Yu,' 'Oke no Yu,' 'Chawan no Yu,' 'Mikage no Yu,' and the indoor 'Bihada no Yu,' each offering a unique bathing experience. Enjoy the aroma of cypress, the warmth of Shigaraki ware clay, the luxurious texture of granite, and the craftsmanship of artisans, experiencing the charm of the hot spring with all five senses. The 'Carbonated Kinu no Izumi,' with dissolved carbon dioxide gas, is also expected to improve blood circulation, effective for cold sensitivity and fatigue recovery.
Sauna & Cold Bath Information
🔥
ソルトサウナ
Male
60°C
A salt sauna using premium powder salt. The temperature is set low to allow for thorough sweating without straining the body. Rubbing salt all over the body helps remove old keratin with sweat, leaving the skin smooth. The minerals in the salt absorb dirt from the pores, offering potential beauty benefits. The humidity is well-maintained, providing a comfortable space without a sense of suffocation.
Sauna Type
Salt Sauna
Stove Type
Built-in Stove
Capacity
5people
🔥
大型スタジアムサウナ
Male
90°C
A high-temperature sauna that thoroughly expels waste with the effects of far-infrared rays. A large TV monitor is installed in the spacious area, allowing you to relax and sweat while seated. The gentle heat envelops the entire body, drawing out sweat gradually. The stadium-style tiered structure allows you to choose your preferred temperature zone; the upper tier for higher temperatures and the lower tier for softer heat. Finish with a quick cool-down in the natural spring water, Kinu no Yusui, and rewarm in the chloride spring to deeply relieve fatigue.
Sauna Type
Dry Sauna
Stove Type
Convection Stove (Sauna Stone)
Capacity
20people
🔥
メディテーションサウナ
Male
65°C
A low-temperature sauna characterized by the soft glow of rock salt. The low temperature is gentle on the body, allowing you to sweat slowly and calm your mind. It's an ideal quiet space for meditation, with the light from the rock salt creating a fantastic atmosphere, leading to a deep state of relaxation. In the leisurely flow of time, you can regulate your breathing and have time to reflect on yourself. Perfect for those who are not fond of high-temperature saunas or who want to warm up slowly over a long period. Finish with a slow cool-down in the cold plunge bath and enjoy the lingering effects in the open-air themed baths.
Sauna Type
Dry Sauna
Stove Type
Convection Stove (Sauna Stone)
Capacity
5people
❄️
きぬの湧水
Male
18°C
A cold plunge bath using refreshing natural spring water. Natural water from underground is poured in a continuous flow, with a soft water quality that is gentle on the skin. The temperature is pleasantly cold, providing a refreshing cool-down for a body heated in the high-temperature sauna. It has the effect of tightening pores and skin, enhancing the refreshing feeling when entering after a sauna.
Water Quality
Groundwater
✓ Flow-through