Inasayama Onsen Fukunoyu
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Inasayama Onsen Fukunoyu is a day-use hot spring facility located in Nagasaki City, Nagasaki Prefecture. It boasts one of the largest premises in western Japan, offering open-air baths with panoramic views of Nagasaki City and a variety of bathtubs. The facility features three types of saunas: far-infrared sauna, steam sauna, and salt sauna to promote sweating, followed by a cold plunge bath. The main natural hot spring bath, carbonated bath, and jet bath provide a fulfilling bathing experience. The stone sauna 'Kafukudo' offers löyly services, and the facility is equipped with relaxation areas, a restaurant, and family baths.
Facility Name
Inasayama Onsen Fukunoyu
Facility Type
Onsen & Spa
Address
451-23 Iwami-cho, Nagasaki City, Nagasaki Prefecture
Closed Days
None
Business Hours
Monday 09:30〜01:00
Tuesday 09:30〜01:00
Wednesday 09:30〜01:00
Thursday 09:30〜01:00
Friday 09:30〜02:00
Saturday 09:30〜02:00
Sunday 09:30〜01:00
Holiday 09:30〜01:00
♨️Hot Spring Information
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Inasayama Onsen
Natural Hot Spring
A natural hot spring that wells up from underground. Enjoy it in the main bath and open-air bath. The water contains salt, providing high heat retention. After bathing, your body warms from the core and retains heat well. In the open-air bath with panoramic views of Nagasaki City, you can relax and soothe your fatigue while enjoying the blue sky during the day and the night view at night. The main bath also includes an electric bath to relieve shoulder and lower back stiffness.
Sauna & Cold Bath Information
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Far-Infrared Sauna (Stadium Sauna)
Male
90°C
A dry sauna using far-infrared technology. It gradually heats the body from the core, with a higher temperature setting. The stadium-style tiered structure allows you to adjust your sweating by choosing your preferred position. Experience a gradual sweat release and a deep sense of refreshment.
Sauna Type
Dry Sauna
Stove Type
Infrared Heater
Capacity
15people
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Steam Sauna
Male
70°C
A high-humidity steam sauna filled with steam. In contrast to a dry sauna, it offers gentle heat and humidity, making it easy to breathe and gentle on the skin. Sit back and warm up, open your pores, and flush out impurities. Enjoy a comfortable sweating experience that leaves your skin feeling moisturized.
Sauna Type
Steam Sauna
Stove Type
Built-in Stove
Capacity
8people
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Salt Sauna
Male
60°C
A sauna where you apply natural salt to your body. The osmotic pressure of the salt promotes sweating and softens and removes old keratin on the skin's surface. Experience both scrubbing and detox effects, leaving your skin smooth after the sauna. Recommended for those seeking beauty benefits for the skin.
Sauna Type
Salt Sauna
Stove Type
Built-in Stove
Capacity
8people
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Cold Bath
Male
15°C
A cold plunge bath to tighten the body after the sauna. The temperature is set low, allowing you to sharply cool down your body heated in the sauna. It is spacious enough for multiple people to use. The water quality is kept clean, providing a perfectly cool-down experience without being too cold.
Water Quality
Tap Water