CITY SPA Tenkū

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CITY SPA Tenku is a hot spring spa facility located in Oita City, Oita Prefecture. Situated on the top floor of JR Oita City, directly connected to JR Oita Station, at a height of 80 meters above ground, its greatest attraction is the open-air bath in the sky offering a panoramic view of the sea and mountains of Oita. The simple hot spring, drawn from 700 meters underground, is a yellow-brown color and is known as a beautifying bath rich in metasilicic acid. Sweat it out in two types of saunas: a Finnish sauna and an aroma steam sauna, and finish off with a refreshing dip in the deep cold plunge bath at 15°C. The facility also includes a healing spa (stone sauna), a book lounge, and a cafe bar, making it an urban-style bathing facility that combines the convenience of being directly connected to the station with extraordinary scenic views.

CITY SPA Tenkū
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1-14 Kanamemachi, Ōita City, Ōita Prefecture
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Facility Name
CITY SPA Tenkū
Facility Type
Onsen & Spa・Hotel & Ryokan
Address
1-14 Kanamemachi, Ōita City, Ōita Prefecture
Closed Days
None
Business Hours
Monday 06:00〜09:30, 11:00〜00:00
Tuesday 06:00〜09:30, 11:00〜00:00
Wednesday 06:00〜09:30, 11:00〜00:00
Thursday 06:00〜09:30, 11:00〜00:00
Friday 06:00〜09:30, 11:00〜00:00
Saturday 06:00〜09:30, 11:00〜00:00
Sunday 06:00〜09:30, 11:00〜00:00
Holiday 06:00〜09:30, 11:00〜00:00
6:00~9:30 Exclusive for hotel guests

♨️Hot Spring Information

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Deep Geothermal Hot Spring
Natural Hot Spring
The deep geothermal hot spring is drawn from 700 meters underground. The water has a viscous texture and is characterized by its beautiful yellow-brown color. Rich in metasilicic acid, a natural moisturizing component, it is known as a beautifying bath that leaves your skin smooth after bathing. With a gentle, mildly alkaline spring quality, soaking thoroughly warms your body from the core, and the warming effect lasts long after bathing. Enjoy it in the open-air bath in the sky on the 21st floor and the indoor bath on the 20th floor, along with a high-concentration carbonated spring. Savor the blessings of the hot spring along with the spectacular view from 80 meters above ground.

Sauna & Cold Bath Information

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Finnish Sauna
Male
95°C
Located on the 20th floor, the Finnish sauna uses a stove made from Finnish aromatic stones that gently radiates heat, warming the entire body gradually. The glass-walled room offers a panoramic view of the cityscape of Oita, creating an open space with gentle light streaming in. Enjoy a luxurious time sweating it out while gazing at the urban scenery. You can focus on sweating in a quiet atmosphere, warming your body from the core.
Sauna Type
Dry Sauna
Stove Type
Convection Stove (Sauna Stone)
Capacity
10people
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Aroma Steam Sauna
Male
0
The aroma steam sauna on the 20th floor envelops your entire body with heat transmitted from the warmed walls, floor, and benches, along with a pleasant aroma steam. Unlike a dry sauna, the high-humidity mist allows for easy breathing and sweating. The aroma enhances the relaxation effect, allowing you to warm your body thoroughly while easing fatigue. It is a space where both body and mind are healed by the softness of the steam and the aroma.
Sauna Type
Steam Sauna
Stove Type
Built-in Stove
0
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Cold Bath
Male
15°C
A deep cold plunge bath. The water temperature is moderately cold, allowing you to quickly cool down your body heated in the sauna. The deep tub allows your entire body to be fully immersed, with the coldness enveloping your body evenly. Easily accessible from both the Finnish sauna and the aroma steam sauna, you can enjoy a sharp hot-cold alternating bath by switching between the two types of saunas. After the cold plunge bath, you can enjoy an outdoor air bath in the open space 80 meters above ground.
Water Quality
Tap Water