NasunogaharaOnsenHotelAoki

An overwhelming 280 liters per minute of free-flowing source water

Tochigi Otawara City

"Nasunogahara Onsen Hotel Aoki" is an onsen hotel in Ohtawara City that also offers day-use bathing, with an uncompromising focus on the freshness and quality of its hot spring water. The naturally self-springing alkaline simple hot spring from underground boasts a generous flow rate of 280 liters per minute and is served as a completely 100% natural free-flowing spring, with no heating, dilution, or recirculation at all. It is fully equipped with a sauna and cold plunge bath. This is the ideal environment for totonou, where the genuine power of hot springs blends with the variety of sauna and cold plunge experiences.

Hot Spring & Bath Information

Nasunogahara Onsen

TypeNatural Hot Spring

Flow-through

An alkaline simple hot spring that springs from underground. It boasts an overwhelming flow of 280 liters per minute and is served as a completely natural 100% free-flowing spring with no heating, dilution, recirculation, or filtration. The soft, high-pH water is well known as a beauty bath that leaves the skin moist and smooth, and the exquisite bathhouse lets you savor the rich natural minerals and freshness of the onsen with all five senses.

Sauna

Dry Sauna

95°C

Sauna TypeDry Sauna

Stove TypeConvection Stove (Sauna Stone)

Capacity6people

Men'sWomen's

A high-temperature dry sauna adjacent to the indoor public bath, known for its powerful heat. The high-temperature setting encourages deep perspiration efficiently in a short time. In a calm indoor space filled with the scent of wood, you can work up a sweat in a truly authentic setting while choosing the heat level that suits you best.

Cold Bath

Cold Bath

18°C

Water QualityTap Water

Capacity2people

Men'sWomen's

A clean and refreshing cold plunge bath. Its exquisite temperature of around 18°C makes alternating hot and cold bathing with the high-temperature sauna even more enjoyable and helps switch your body into a deeply relaxed totonou state.

Business Hours

Monday
09:00〜21:30
Tuesday
09:00〜21:30
Wednesday
09:00〜21:30
Thursday
Closed Days
Friday
09:00〜21:30
Saturday
09:00〜21:30
Sunday
09:00〜21:30
Holiday
09:00〜21:30

Closed Days: Thursday

Address

1625-1 Nakadahara, Ohtawara City, Tochigi 324-0062

View on Google Maps

Website

http://www.e-aoki.jp/
Onsen & Spa Facilities (Super Sento, Sauna, Spa)

Gender Access

Gender Separated

❓
Tattoo Policy
Unknown (Please Check)
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