Kozantei Ubuya
うぶや- Say it
- ko·
zan· tay oo· boo· ya - Also written
- Ubuya, Ubuya Ryokan, Kozantei Ubuya Ryokan
About Kozantei Ubuya
Every room faces Mount Fuji across Lake Kawaguchi. Most room types have an open-air bath on the balcony; the hot-spring water is in the shared bath, Fuji no Yu.
- OnsenIn some bathsIn the Fuji-no-yu bath only
- Bath in your roomMost room typesOpen-air; not hot-spring water
- Private bathNot stated
- TattoosWith limitsOnly if cover stickers hide them
- MealsDinner and breakfastIn the dining rooms; by 19:00
- Dietary needsSome dietsAllergens removed where possible
- ChildrenWelcomeFrom age 0, with child rates
- Check-in and dinnerCheck-in 15:00–18:00; out 11:00
- Getting therePick-up from Kawaguchiko Station
Good to know before you book
- Room baths are not hot-spring waterThe open-air baths in the rooms are not hot-spring water; the shared bath, Fuji no Yu, is the only one that is.
- Dinner is a buffet or shabu-shabuAt present dinner is a mostly Japanese buffet or shabu-shabu, served in the dining rooms.
- Two room types have no open-air bathThe Japanese room and the Japanese room with anteroom have no open-air bath.
- View
- Every room faces Mount Fuji across Lake Kawaguchi
- Dinner style
- A buffet or shabu-shabu at present
- Sauna
- 15:00–21:00
- Smoking
- Non-smoking throughout, balconies included; there is a smoking room
Rooms and their baths
- No room photos yetOpen-air bath
Kihinshitsu 501 貴賓室501
Open-air bath; not hot-spring water
The terrace is for Mount Fuji and the stars
- No room photos yetOpen-air bath
Tokubetsushitsu 401 特別室401
Open-air bath; not hot-spring water
With a tea room and an indoor tea garden
- No room photos yetOpen-air bath
Tokubetsushitsu 特別室
Open-air bath; not hot-spring water
- No room photos yetOpen-air bath
Deluxe 301 デラックス301
Open-air bath; not hot-spring water
For families
- No room photos yetOpen-air bath
Deluxe デラックス
Open-air bath; not hot-spring water
- No room photos yetOpen-air bath
Superior スーペリア
Open-air bath; not hot-spring water
With a tatami area to lie down on
- No room photos yetOpen-air bath
Standard スタンダード
Open-air bath; not hot-spring water
The fine print
Last checked November 12, 2026.
- Onsen
In some baths. Hot-spring water in the Fuji-no-yu bath only
A calcium-sodium chloride-sulphate spring.
- Bath in your room
Some rooms. Open-air bath in most room types, not hot-spring water
The two plain Japanese-room types have none. Every room faces Mt Fuji.
- Private bath
Not stated. Not stated by the ryokan
- Tattoos
With limits. Only if two 10 × 10 cm cover stickers hide them
Refused in the large bath in principle; ask at the front desk for the stickers.
- Meals
Included with every stay. Dinner and breakfast in the dining rooms
In the Fuji and Iwai dining rooms, not your room. Dinner can't be served after 19:00, and isn't refunded.
- Dietary needs
Some diets. Allergens taken out where possible; not guaranteed
Egg, milk, wheat and soy get a low-allergen menu; other listed allergens are removed from dishes. One kitchen, so traces can occur.
- Children
Welcome. Welcome from age 0, with child rates
Ages 3 to 6 pay 50% with a children's meal or buffet; primary school 70%. Children's samue from 90 cm.
- Check-in and dinner
Check-in 15:00 to 18:00, check-out 11:00
Call if you'll arrive after 18:00. Dinner can't be served after 19:00.
- Getting there
Pick-up from Kawaguchiko Station: call when you arrive
Or about 10 minutes by taxi.
Meals
- Dinner
- A mostly Japanese buffet, or shabu-shabu with the ryokan's own broth. The ryokan also lists a wagyu-steak kaiseki, which is not being served at present
- Dining room
- Dinner and breakfast are served in the Fuji and Iwai dining rooms, not in your room
- Dinner time
- The last dinner time is 19:00. After that dinner can't be served and isn't refunded
- Tempura counter
- The ryokan describes a tempura counter course; whether it is being served is not stated
- Children's dinner
- Steak or hamburger (the ryokan chooses), salad, sashimi, soup, a fried dish, a steamed dish, rice and dessert
- Lunch
- Not served; staff suggest local places
Baths
- Shared bath
- Fuji no Yu, open 15:00–24:00 and 5:00–10:00: a large bath facing Mount Fuji and the lake, an open-air bath, a shallow lying-down bath, a cool seated bath and a combined circuit bath
- Water
- Fujikawaguchiko Onsen, a weakly alkaline calcium-sodium chloride-sulphate spring, in Fuji no Yu only
- Room baths
- An open-air bath in seven of the nine room types, usable at any time. They are not hot-spring water
- Private bath
- Not stated by the ryokan
- Sauna
- 15:00–21:00
- Children in the baths
- A child may use the opposite sex's bath only up to preschool age. Babies may bathe at the parents' discretion
- Day visitors
- Not accepted; the bath is for staying guests
Getting there
- Pick-up
- From Kawaguchiko Station, free: call the ryokan when you arrive. There are no fixed times
- Taxi
- About 10 minutes from Kawaguchiko Station
- Car
- About 3.5 km from the Kawaguchiko interchange
- Parking
- Not stated by the ryokan
- Drop-off
- Every 30 minutes from 8:30 to 11:00, to Kawaguchiko Station or the museum
Who it suits
- Celebrations
- The ryokan's motto is "celebrating life". Cakes and flowers need 3 days' notice
- Children
- Welcome from age 0. Children's house wear comes in sizes from 90 cm, and toys can be borrowed
- Wheelchairs
- Three to lend, which can be reserved. Lifts and steps are not stated
- Facilities
- A lounge facing Mount Fuji with light snacks, massage chairs, a table-tennis lounge, a small shrine and a souvenir shop
- Pets
- Not allowed
Place and season
- The view
- Mount Fuji across Lake Kawaguchi from every room, the shared bath and the lounge. The lake reflects the night lights after dark
- Fuji visibility by month
- Not stated by the ryokan
History
- 1945
Opens as the Ubugasaki campsite.
- 1948
Becomes the Ubugasaki Hotel.
- 1986
Renamed Kozantei Ubuya.
- 2000
The bath wing Ao is built.
- 2019
Renamed Ubuya.
Ryokan elsewhere to compare
Questions
Is the in-room bath at Kozantei Ubuya hot-spring water?
No. The ryokan says the room baths are not hot-spring water; only the shared bath, Fuji no Yu, is. Its water is a calcium-sodium chloride-sulphate spring.
Can I see Mount Fuji from my room at Kozantei Ubuya?
Every room faces Mount Fuji across Lake Kawaguchi. The shared bath and the lounge face it too.
Can I use the bath at Kozantei Ubuya with tattoos?
In principle not in the large bath. You may bathe if two 10 × 10 cm cover stickers hide your tattoos; ask at the front desk for them.
Where is dinner served at Kozantei Ubuya?
In the Fuji and Iwai dining rooms, as is breakfast. At present dinner is a buffet or shabu-shabu, and it can't be served after 19:00.
Is there a pick-up from Kawaguchiko Station?
Yes. Call the ryokan when you arrive at Kawaguchiko Station and it will come for you. A taxi takes about 10 minutes.
Are Ubuya and Kozantei Ubuya the same ryokan?
Yes. Kozantei Ubuya was the name from 1986 until 2019, when the ryokan was renamed Ubuya.


