UnzenOnsenAzumaen

A gourmet inn offering breathtaking views of Oshidori no Ike and relaxation in a free-flowing hot spring from its own source

Nagasaki Unzen City

"Unzen Onsen Azumaen" is a Japanese-style resort ryokan nestled on the shores of Oshidori no Ike in Unzen City, Nagasaki Prefecture. From every guest room, you can take in sweeping views of the majestic pond, and enjoy the lavish kake-nagashi flow of its own natural hot spring. The spring water is acidic, and the open-air bath offers a liberating sense of becoming one with the water’s surface. In the detached Yumidokoro Rien, you will also find a retractable sauna and a cold plunge bath filled with mountain spring water. Paired with Michelin-listed cuisine, it promises the ultimate retreat in tranquil surroundings.

Hot Spring & Bath Information

Bath

TypeNatural Hot Spring

Flow-through

The property’s own natural spring water, which gushes from within the grounds, is used lavishly in a free-flowing style. Unzen’s powerful acidic spring water deeply relieves everyday fatigue. From the open-air bath in the large public bath, you can look out over Oshidori no Ike below and be enveloped in a mysterious sensation, as if connected to the surface of the lake itself. Spending time immersed in the abundant spring water while watching the changing face of the natural scenery is truly exceptional.

Sauna

Dry sauna

95°C

Sauna TypeDry Sauna

Stove TypeBuilt-in Stove

Capacity8people

Men'sWomen's

A retractable sauna located in the detached Yumidokoro Rien. In this quiet space without TV or music, you can slowly work up a sweat while wrapped in the warmth of wood. The gentle yet powerful heat unique to a retractable sauna fills the room, offering an authentic experience that warms you to the core. Watching the sand in the hourglass fall, you can spend a calm moment reconnecting with yourself.

Cold Bath

Cold Bath

18°C

Water QualityNatural Water (Groundwater, Spring, etc.)

Capacity8people

Flow-through
Men'sWomen's

A hinoki-constructed cold plunge bath lavishly using mountain spring water. Its smooth, gentle feel on the skin is a hallmark of natural water, softly embracing your heated body after the sauna. With just the right level of coolness, you can soak at length and enjoy a refreshing cooldown. Along with the scent of hinoki, you can savor a blissful moment, feeling the blessings of Unzen’s nature on your skin.

Business Hours

Monday
05:00〜00:00
Tuesday
05:00〜00:00
Wednesday
05:00〜00:00
Thursday
05:00〜00:00
Friday
05:00〜00:00
Saturday
05:00〜00:00
Sunday
05:00〜00:00
Holiday
05:00〜00:00
💡 [Day-use bathing] 12:00-15:00 (Note: there have been reports that this has currently ended; please confirm)

Closed Days: Open all year

Address

〒854-0621 181 Unzen, Obama-cho, Unzen City, Nagasaki Prefecture

Hotel & Ryokan

Gender Access

Gender Separated

Tattoo Policy
Unknown (Please Check)
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