SPA
Hot spring facilities

Renovated rooftop open-air bath
Experience an extraordinary sense of freedom at 'CITY SPA Tenku'

Located 80 meters above ground, the 'CITY SPA Tenku' will be renovated in July 2026.
In addition to open-air saunas, there are authentic saunas such as Finnish saunas and aroma team saunas.
After your bath, you can relax at the café bar.
Experience high-quality relaxation at a spa facility equipped with hot springs, sauna, and café bar, soothing travel fatigue and rejuvenating both mind and body.

CITY SPA Tenku
CITY SPA Tenku
CITY SPA Tenku
CITY SPA Tenku
CITY SPA Tenku
CITY SPA Tenku
CITY SPA Tenku
CITY SPA Tenku

Point
01

80m above ground, height Japan
Top-class rooftop open-air bath and natural hot spring indoor bath

Open-air bath in the sky (natural hot spring, high-concentration carbonated spring)

Open-air bath in the sky(natural hot spring, high-concentration carbonated spring)

Located 80 meters above ground, overlooking Oita's lush ocean and mountains, you can enjoy the two attractions of natural hot springs and highly concentrated carbonated springs.

*Female customers are requested to wear a bathing suit, and male customers are requested to wear sauna shorts.

Natural hot springs

This "deep geothermal hot spring (deep hot water containing carbon dioxide derived from ancient plants)" is pumped up from 700 meters underground, and is characterized by its viscous texture and beautiful yellow-brown color. It is a "beauty bath" that leaves your skin smooth after bathing.

Spring quality Simple hot spring
pH 8.1 (weakly alkaline)
Spring temperature 36.7℃
Indications for hot springs Neuralgia, joint pain, chronic digestive diseases, sensitivity to cold, fatigue recovery, etc.
High concentration carbonated spring

This is a highly concentrated carbonated spring with over 1000ppm of dissolved carbon dioxide. The effect of the carbon dioxide gas promotes blood circulation and warms the body from the core. The temperature is set at a relatively low 38°C, so there is little strain on the body and you can relax and enjoy the view from the open-air bath.

Point
02

Promotes pleasant sweating,
Authentic sauna

  • Sea sauna (for men)

    Sea sauna (for men)

    This open-air sauna offers breathtaking views of Beppu Bay. The panoramic vista stretches from Oita city center to Beppu Bay and the Oita industrial area. Enjoy a luxurious moment of relaxation, letting your mind and body rejuvenate while gazing out at the sea.

  • Yama Sauna (for women)

    Yama Sauna (for women)

    A healing sauna surrounded by majestic mountain ranges. The sauna room offers expansive views of the natural scenery, including Mt. Tsurumi and the Kuju mountain range. Enjoy a moment of peaceful reflection and relaxation while gazing at the mountains in all four seasons.

Point
03

Kyushu's largest
Dry sauna, bedrock bath,
It consists of a rest lounge
 Healing Spa

*For guests staying at the hotel,
It costs 500 yen per use.

  • Grand Loyly

    Grand Row
    Ryu

    This dry sauna, with a room temperature of 60℃, is one of the largest in Kyushu.

  • Aroma Salt Spa

    Aroma Salt
    spa

    The radiant heat emitted from the vibrant salmon-pink Austrian marble floor and rock salt walls envelops your entire body, allowing you to sweat while enjoying the pleasant aroma.

  • Cool Spa

    Cool Spa

    The blue tiles and lighting look cool to the touch, and will quickly cool down your body after a warm sweat.

  • Tenku Lounge

    Tenku
    lounge

    Enjoy a relaxing time in the book lounge, with carefully designed interior and spectacular views of Oita.

Point
04

Enjoy a blissful time while looking at the cityscape.
Relax your mind

  • Cafe Bar Tenku

    Cafe Bar Tenku

    We offer freezing cold draft beer and local dishes. After refreshing yourself in the hot springs and spa, you can spend a blissful time indoors, enjoying the sophisticated design and the Oita cityscape.

    Opening time 11:30am-11:00pm (last order 10:30pm)

    *Guests staying at the hotel can also use the cafe bar only.

  • MU Oita City Spa Tenku Branch

    MU Oita City Spa Tenku Branch

    Based on the concept of "a slightly luxurious relaxation that delights the five senses," we invite you to a moment of healing with our reliable skills and heartfelt hospitality. Take a break from your busy daily life and spend some time slowly unwinding your mind and body.

    Opening time 11:00am-11:00pm (last entry 10:00pm)

Point
05

Enjoy a pleasant morning.
Relax and unwind in a hot spring with a spectacular view

Enjoy a relaxing morning soak in a hot spring with a spectacular view

The hours from 6:00am to 9:30am (reception until 9:00am) are exclusively for overnight guests.
Please relax and enjoy the pleasant morning air and the passing of time.

Opening time 6:00am-9:30am
(Reception until 9:00am)

Information

  • Opening time
    Opening times

    ■11:00am-12:00am
    (Last admission 11:30pm / Healing Spa 11:00pm)
    *For overnight guests, 2:00pm-12:00am
    (Last admission 11:30pm / Healing Spa 11:00pm)
    ■6:00am-9:30am (last entry 9:00am)

    * Guests staying consecutive nights may also use the service between 11:00~14:00 (except on check-out days)
    * The morning bath is available only to hotel guests.
    * During morning bath hours, Cafe Bar Tenku, MU Oita City Spa Tenku, and Healing Spa are not open.

    ​

  • Place
    Place

    ■ 19th floor Reception, healing spa, body care & treatments
    (MU Oita City Spa Tenku Branch)
    ■ 20th floor Indoor bath, sauna, café bar Tenku
    ■ 21st floor Rooftop open-air bath, open-air sauna (sea and mountain)

To our guests

・Please bring your room card key when bathing.
・ Please wear the work clothes and slippers prepared in the room and come.
・Face towels and bath towels are available on the 20th floor.
・ Paid services in CITY SPA Tenku can be settled at check-out.
・The healing spa is only available to junior high school students and older.
・ If a child who sleeps with a bed takes a bath, a "separate bathing fee" will be required.
・We apologize for the inconvenience, but we do not allow children under the age of 3 or those who do not have diapers to bathe.
・ Those with tattoos and tattoos are not allowed to enter.
・ Those who are drunk or those who act in a way that causes inconvenience to other customers are not allowed to enter.
・Due to facility management, there are closures and changes in business hours. For more information, please see here.

For detailed facility information and the latest information, please click here

City Spa Tenku Official Site

[Official] Flight + Accommodation Plan We offer a plan that includes a flight from your preferred airline and accommodation at our hotel!
JR Hotel Members: Use your designated transportation IC card as your membership card to earn and use points
Online check-in
"JR Hotel Members" app
JRホテルメンバーズキャンペーン
SDGs Policy

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TEL.097-578-8719

Directly connected to JR Oita Station Funai Central Exit (North Exit)

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Language

TEL.097-578-8719

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