【Official】Auberge Cosmos(Kuju Grand Hotel)

Kuju Grand Hotel is the collective name for two hotels, the former Yamanami-so (Yamanami Resort Hall) and Auberge Cosmos (Cosmos Hall), which will reopen as Beppu Onsen Hotel Group Co., Ltd.

In the autumn of 2023, Auberge Cosmos will be reborn in advance.
Why don't you spend your time relaxing in this place with abundant nature located in Aso Kuju National Park?

We will update the information on this site, so please check it out!

*There are times when the front desk is not available, such as at night.Please understand.

We are accepting accommodation reservations!

  • An example of a room!

    1 minute walk to trailhead and Chojabaru Visitor Center!
    Good access to Kuju mountain climbing and Kuju sightseeing!
    This hotel is in the best location in Chojahara!

    Please relax and enjoy the hot springs and cuisine at Kuju Plateau.

    *Currently, the open-air bath in the large public bath is under renovation, so only the indoor bath can be used.

Meals are served in a restaurant surrounded by greenery.

  • A restaurant with a sense of openness and light streaming in through the windows.☆彡

    The restaurant will open before the accommodation reservations start!

    1 minute walk to trailhead and Chojabaru Visitor Center!
    Enjoy lunch or dinner at one of the best-located hotels in Chojabaru.
    plan with room breaks are also on sale.

    *The open-air bath is currently under renovation and cannot be used.

    <Lunch> 100% domestic beef hamburger lunch 2,200 yen(Tax included)
    <Dinner> Creative course featuring Oita wagyu beef grilled on a ceramic plate 6,500 yen(Tax included)

    *During the winter, we will be closed for lunch and drop-in hot springs.
    Please contact us for details.

You can enjoy various "kuju" every season!

  • Chojabaru is perfect for climbing and hiking

    Aso-Kuju National Park was established in 1934, the first of its kind in Japan.
    The Kuju Mountain Range, which stretches to the north of Mt. Aso, is a series of 1,700m-class peaks, including Mt.
    Located in a special area within Aso-Kuju National Park, this facility is also located in a prime location in Chojabaru, the gateway to the Kuju Mountain Range.
    In Chojabaru, there is the Tadewara Wetland, which is a wetland registered under the Ramsar Convention, and you can see plants and scenery that can only be seen here, such as the red-cheeked sea bream. increase.


  • Information on closure due to equipment maintenance

    Thank you very much for your continued support.
    This facility will remain closed until April 26th (Friday) due to equipment maintenance.

    We are open on some dates.
    Please contact us directly for details.

    We apologize for any inconvenience this may cause to our customers.
    Thank you for your understanding.

    We look forward to your visit.

    Auspicious day of March 2020
    Auberge Cosmos

SDGs initiatives

  • Efforts of this facility

    In order to protect this wonderful natural environment, pure water, and the ecosystem that inhabits it and pass it on to the next generation, we are promoting initiatives that contribute to the achievement of the SDGs and aim to be a sustainable hotel that coexists with nature.
    This facility is making the following efforts.
    ・Aiming for zero food loss, we strive to properly manage inventory and reduce leftovers.
    ・We are promoting waste and loss reduction of water resources.
    ・amenities are available in the amenities bar on the 1st floor.Please bring only what you need.
    ・We ask for your cooperation in reducing the number of linen changes during consecutive stays.
    ・We are taking measures such as saving electricity during the day, setting the air conditioner to eco mode, and turning off the lights frequently.


Google Map

Hotel Name

Auberge Cosmos(Kuju Grand Hotel)


228-1 Tano, Kokonoe-machi, Kusu-gun, Oita Prefecture In front of Chojabaru trailhead

*If you are arriving by car, you may need to install winter tires during the winter.

Telephone number



■When arriving by car■
① 30 to 40 minutes by car from the Oita Expressway "Kokonoe IC" toward Chojabaru
② From the Oita Expressway "Yufuin IC", take the Yamanami Highway toward Chojahara for 40 minutes by car.

■When coming from Fukuoka by highway bus■
From "Hakata / Nishitetsu Tenjin Bus Terminal" Yufuin → Get off at "Kokonoe IC" → Kokonoe Town Community Bus → Get off at "Kuju Tozanguchi" on the Chojahara Line and walk for 15 minutes

■When using the JR Kyudai Main Line■
Get off at "Bungo-Nakamura Station" → Kokonoe Town Community Bus → Take the Chojahara Line and get off at "Kuju Tozanguchi" and walk for 15 minutes
*Please check in advance as transportation access is subject to change.
To traffic access page

We are planning to realize a fulfilling stay!

  • Stay tuned for on-site activities!

    【Yamanami Resort Hall】
    230 Tano, Kokonoe Town, Kusu County, Oita Prefecture

    The hotel is currently under construction for opening.
    We are planning to use a large site such as a place where you can play in the river and a campsite so that you can enjoy your stay in this facility!

Reservation / Inquiry

If you have any questions, please contact us.