Kuju Hossho Hotel
九重星生ホテル
A quiet mountain hotel in Aso-Kuju National Park with panoramic rooms, a tunnel-connected open-air onsen, careful kaiseki meals and easy access to Chojabaru, Mount Mimata and .
A quiet hotel below the Kuju mountains
Kuju Hossho Hotel (九重星生ホテル) sits high in Kokonoe, inside Aso-Kuju National Park, with Mount Mimata directly behind it. This is not a hotel for nightlife or convenience. There is very little around, and that is part of the point.
We stayed here for two nights around our Mount Mimata hike. It worked extremely well as a base for Chojabaru and the Tadewara Marsh, while still being close enough to drive toward Aso the next day. Aso is about an hour away by car, so it is doable if the priority is a quiet, high-quality stay rather than being in a busier town.
The hotel is upscale and was not cheap, but it felt worth it. The building is not new, and it is bigger than it first needs to be; when we were there, not all floors seemed to be in use. But the condition was carefully kept, the atmosphere was peaceful, and there were very few other guests.
Rooms, lobby and service
We stayed in a corner Japanese-style room, and it was one of the most beautiful rooms of the trip. The wide windows looked straight toward the mountains, with tatami, shoji, low tables and heavy wood furniture giving the room a calm, old-fashioned character.
The official room list also includes Western twin rooms and Japanese-Western rooms, and the hotel says all rooms look toward the Kuju mountains. There is also a wood deck terrace, although we did not use it: the day before we had climbed Mount Mimata, and the day after it snowed.
The lobby had the same sense of scale as the rest of the hotel: large, quiet and slightly formal, with massive cedar wood tables and chairs. It felt older rather than new, but not neglected. The service was attentive in a low-key way, and the owner or manager invited us for coffee and asked how we had found the place, saying that foreign guests rarely came there.
The onsen reached by tunnel
One of the best reasons to stay here is the onsen. A tunnel connects the hotel with the separate open-air bath area, so you can move between the main building and the hot spring without stepping fully outside.
The outdoor baths look directly toward the mountains, with steam, pale blue water, rocks, wooden tubs and open sky. There are four spring types and 16 baths, including sulfur, simple spring, acidic green vitriol spring and cold mineral sulfur spring. It is the kind of onsen where the setting matters as much as the water.
Day visitors can use the onsen, but as a hotel guest it felt especially good in the evening and again after the hike. This was one of the strongest open-air bath settings we had on the trip.
Dinner and breakfast
Book dinner and breakfast if you stay here. There is not much around the hotel, especially at night, and the food was one of the main reasons the stay worked so well.
Dinner was a kaiseki-style meal with many small plates brought out one after another. The presentation was careful, with beautiful plates, cutlery and seasonal details, and even the chopsticks were engraved with our names. It felt personal without becoming stiff.
Breakfast was also substantial, with rice, soup, fish and small side dishes. After the quiet dinner service and the almost empty hotel, it reinforced the feeling that this was a slow mountain stay rather than just a practical overnight stop.
For Kuju hikes, and Aso too
Kuju Hossho Hotel is ideal if you want to explore the Kuju mountain range from a quiet, solitary base. Chojabaru Visitor Center, Tadewara Marsh and the Mount Mimata trailhead are close, and Makinoto Pass also fits naturally into this area.
It can also work for Aso, about an hour away by car. The point is not town convenience, but a rare kind of mountain stay: calm, upscale and almost completely removed from everything, with onsen, good food and the Kuju landscape around you.
For lunch nearby, Kuju Andante (くじゅうアンダンテ) is a useful pizza stop near Chojabaru Visitor Center.
Good to know
- Best for
- Access
The hotel is best accessed by car.
- Onsen
The public onsen has many open air baths with wide open views, alongside a sauna and an indoor bath
- Official links
- Location
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Kokonoe, Oita Open in maps
- Details
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