THEKUKUNA

An exceptional resort with an infinity hot spring and scenic saunas overlooking Lake Kawaguchi and Mount Fuji

Yamanashi Fujikawaguchiko Town

"THE KUKUNA" is a hotel in Fujikawaguchiko Town, Yamanashi Prefecture. At the top-floor Grand Spa, Osora no Yu offers sweeping views of Mount Fuji and Lake Kawaguchi from an infinity open-air bath that blends seamlessly with the lake. Guests can refresh themselves in the dry and steam saunas, along with a cold plunge bath filled with natural Fuji water. The property also features in-room open-air baths with hot spring water and private hot spring baths. It is a luxurious lake-view resort where the comfort of a Hawaiian resort meets exceptional scenic hot springs.

Hot Spring & Bath Information

Large Bath, Fujikawaguchiko Onsen

TypeNatural Hot Spring

Natural hot spring water from the Fujikawaguchiko Onsen area fills the top-floor observatory large bath. This chloride spring is known for its excellent heat-retention effect, keeping you warm long after you leave the bath. You can indulge in it luxuriously in the spacious indoor bath and in the superb infinity open-air bath that seems to melt into the lake and sky. It leaves the skin smooth and gently unwinds the fatigue of travel and the tensions of everyday life from deep within.

Private Open-Air Bath Lani Lanai

TypeNatural Hot Spring

A top-tier private open-air bath where you can enjoy bathing in complete privacy. While taking in a luxurious panoramic view of Mount Fuji and Lake Kawaguchi all to yourself, you can soak in natural hot spring water prized for its skin-beautifying and warming effects. Feel the pleasant breeze and spend a blissful, uninterrupted time of refreshment with someone special in this exceptional space.

In-Room Open-Air Bath, Fujikawaguchiko Onsen

TypeNatural Hot Spring

A luxurious open-air hot spring bath equipped on the terrace of the guest rooms in the observatory building. You can enjoy the ever-changing spectacular scenery of Mount Fuji and Lake Kawaguchi whenever you like. Soak in the smooth-feeling natural hot spring water and enjoy the breezes and the sound of flowing water with all five senses in this private hot spring resort space.

Sauna

Dry Sauna

90°C

Sauna TypeDry Sauna

Stove TypeConvection Stove (Sauna Stone)

Capacity8people

Men'sWomen's

A dry sauna located in Osora no Yu, Tsuki. The sauna room features two large windows, offering the greatest appeal: beautiful lake views of Lake Kawaguchi spread out before you even while indoors. With soothing Hawaiian resort-style background music playing, you can feel a gentle heat that gradually warms you all the way to the core. It is a relaxing space where you can lose track of time and unwind while being comforted by the spectacular view.

Steam Sauna

50°C

Sauna TypeSteam Sauna

Capacity5people

Women's

A pleasant steam sauna installed in Osora no Yu, Hoshi. When you sit on the seat, sensors react and warm steam is released, enveloping the room in a soft mist. Because the temperature is set to a level that is less likely to feel stifling, even those who are not fond of saunas can comfortably encourage a deep, satisfying sweat. A highly soothing steam-bath experience that gently moisturizes the whole body.

Cold Bath

Cold Bath

16°C

Water QualityNatural Water (Groundwater, Spring, etc.)

Capacity3people

Men'sWomen's

A luxurious cold plunge bath installed next to the dry sauna, filled with natural water from Mount Fuji. It is characterized by an astonishingly mellow, gentle texture unique to groundwater nourished by snowmelt from Mount Fuji. While pleasantly cold, it is not overly sharp or stimulating, allowing for a refreshing cooldown that feels kind to the body and seems to wrap around you.

Business Hours

Monday
15:00〜00:00
05:00〜10:00
Tuesday
15:00〜00:00
05:00〜10:00
Wednesday
15:00〜00:00
05:00〜10:00
Thursday
15:00〜00:00
05:00〜10:00
Friday
15:00〜00:00
05:00〜10:00
Saturday
15:00〜00:00
05:00〜10:00
Sunday
15:00〜00:00
05:00〜10:00
Holiday
15:00〜00:00
05:00〜10:00

Closed Days: None

Address

〒401-0303 70, Asakawa, Fujikawaguchiko Town, Minamitsuru District, Yamanashi Prefecture

Hotel & Ryokan

Gender Access

Gender Separated

Tattoos in the Communal Bath
Unknown (Please Check)

The above applies to the communal (shared) baths. At facilities with private baths or private saunas, guests with tattoos may still be able to bathe. Please check with the facility for details.

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