
This site uses affiliate links; we may earn a commission on bookings.
Categories
Kids Facilities
7th-floor observation baths Tenku no Yu and Tennyo no Yu
7th-floor observation baths Tenku no Yu and Tennyo no Yu
The top-floor 7th-floor observation baths are Tenku no Yu for men and Tennyo no Yu for women. The open-air baths overlook Lake Kawaguchi, with views of the opposite shore's night scenery in the evening and the lake and mountain range in the morning. They use natural onsen water from the Fuji Kawaguchiko Onsen Village, with calcium-sodium sulfate and chloride spring water.
- •Open from 3 p.m. to midnight and from 5 a.m. to 10 a.m. the following morning
- •A bathing tax of 150 yen per adult applies separately
Basement 1st-floor communal baths Seiryu no Yu and Kotei no Yu
Basement 1st-floor communal baths Seiryu no Yu and Kotei no Yu
These basement 1st-floor communal baths have spacious indoor baths and atmospheric open-air baths. The indoor baths include saunas, and the open-air baths have waterfall baths (utaseyu). Bathing is available 24 hours; the sauna is available until 10 p.m.
- •Open 24 hours; the sauna is open from 3 p.m. to 10 p.m.
- •A bathing tax of 150 yen per adult applies separately
Observation private-hire bath Ukifune, 7th floor
Observation private-hire bath Ukifune, 7th floor
This top-floor 7th-floor private-hire bath offers panoramic views of Lake Kawaguchi and can be used by families or couples.
- •3,300 yen including tax for 50 minutes
- •Open from 3 p.m. to 11 p.m. and from 6 a.m. to 8:30 a.m. the following morning, for 50 minutes starting on the hour
- •Advance reservation required
- •The elevator reaches only the 6th floor, so stairs are required to reach the 7th-floor private-hire bath
Rooms with open-air baths: Hinoki and Shigaraki ware
Rooms with open-air baths: Hinoki and Shigaraki ware
The top-floor rooms with open-air baths come in 2 types, Hinoki and Shigaraki ware. Each has a 12-tatami room plus a wide veranda and accommodates 6 guests. The open-air baths use heated Mount Fuji spring water rather than onsen water, with consideration for guests concerned about hot-spring components and families with young children.
- •The open-air baths use heated water, not onsen water
- •Room capacity is 6 guests
Overview
Founded in 1923, Kasuitei Ooya is a long-established onsen ryokan standing beside Lake Kawaguchi for nearly a century. It has 3 bathing areas, comprising 7th-floor observation baths, basement communal baths with a sauna and waterfall baths (utaseyu), and the top-floor private-hire bath Ukifune. With 9 room types, open-air bath rooms, a separate condominium annex, and a shuttle from Kawaguchiko Station, it caters to families with children who have not yet started elementary school, elementary school children, and co-sleeping guests.
Founded in 1923, a long-established onsen ryokan on the shore of Lake Kawaguchi
Founded in 1923, this long-established onsen ryokan has watched over Mount Fuji and Lake Kawaguchi for nearly a century.
The 46 rooms include 40 Japanese-style tatami rooms, 4 Japanese-Western rooms, and 2 Western rooms. Guests can choose from 9 room types, including Japanese-style tatami rooms with open-air baths, lake-view Japanese-modern Japanese-Western rooms, lake-view rooms in the main building, Mount Fuji-side rooms in the new building, central rooms, Japanese-style rooms without in-room bathrooms, and Western rooms. The separate annexes Bettei Nagisa and Bettei Open-Air Bath Condominium are also available; both are room-only and just one or two buildings away. The ryokan is about 15 minutes by car from the Kawaguchiko IC on the Chuo Expressway, about a 10-minute walk or 5 minutes by car from Kawaguchiko Station on the Fujikyu Railway Line, and offers a shuttle when contacted upon arrival at the station, from 2 p.m. to 7 p.m. and from 8 a.m. to 10 a.m.
Three bathing areas and celebrated baths of the hot-spring village
The onsen is a natural hot spring from the Fuji Kawaguchiko Onsen Village, a calcium-sodium sulfate/chloride spring (hypotonic, alkaline). On the top-floor 7th floor, the men's observation bath is Tenku no Yu and the women's bath is Tennyo no Yu. Both have open-air baths and are open from 3 p.m. to midnight and from 5 a.m. to 10 a.m. the following morning. The basement 1st-floor communal baths are Seiryu no Yu for men and Kotei no Yu for women. Their indoor baths have saunas from 3 p.m. to 10 p.m., their open-air baths have waterfall baths (utaseyu), and the baths are available 24 hours. The top-floor 7th-floor observation private-hire bath Ukifune is available for 50 minutes for 3,300 yen, with advance reservation required. Sessions run from 3 p.m. to 11 p.m. and from 6 a.m. to 8:30 a.m. the following morning, beginning on the hour and lasting 50 minutes. It is convenient for families seeking private bathing time. Since the elevator reaches only the 6th floor, stairs are required to reach the 7th-floor private-hire bath. A bathing tax of 150 yen per adult applies separately.
Rooms with open-air baths and 9 room types
The popular rooms with open-air baths are on the top floor and come in 2 types: Hinoki and Shigaraki ware. Each accommodates 6 guests and has a 12-tatami room plus a wide veranda. Their open-air baths use heated Mount Fuji spring water rather than onsen water, making them suitable for guests concerned about hot-spring components and for families with young children. The lake-view Japanese-modern Japanese-Western rooms and Japanese-modern Japanese-Western rooms combine an 8-8.5-tatami Japanese-style room with a twin-bed room and accommodate 6 guests, making them suitable for families and groups. The main-building lake-view rooms, new-building Mount Fuji-side rooms, and central rooms are 10-tatami Japanese-style rooms accommodating 5 guests. Japanese-style rooms without in-room bathrooms accommodate 2 guests, as do the Western rooms. All rooms are nonsmoking and equipped with Wi-Fi, heating and air conditioning, an LCD television, and a refrigerator.
Children's rates and dining
Elementary school children are in the Child Rate A (elementary school age) category, charged 70% of the adult rate and served adult dishes with adjusted quantities and numbers of items. Children under school age ages 3-5 are in the Child Rate B (preschool age) category and receive a kids' meal-style serving. For co-sleeping with no meals or bedding, the charge is 2,750 yen including tax per child for children from age 1 through preschool age; age 0 is free of charge. Allergy accommodations are not available. Children's amenities include a child's-size yukata without a sash, towels, and a toothbrush set. Meals are served at the 1st-floor dining venue Kagura Chaya, which has 12 private dining rooms with chair-and-table seating and children's chairs (baby chairs).
Facilities and ways to enjoy your stay
The ryokan has the basement 1st-floor spa salon FINO, offering facial, body, and head-spa treatments from 18,900 yen for 90 minutes, as well as a lobby lounge and banquet rooms available for a fee. Go, shogi and mahjong sets are available to borrow. The cuisine centers on seasonal Japanese kaiseki meals prepared with the chef's specialties, including menus featuring local Koshu dishes such as Hoto Luxury Kaiseki and Hoto Kaiseki. Check-in is from 3 p.m. to 6 p.m., and checkout is at 10 a.m.; when no dinner is included, check-in is available until 10 p.m. Pets are not permitted. The property received the 2017 Rakuten Travel Award.
Access & Information
| location_onAddress | 4025 Funatsu, Fujikawaguchiko-machi, Minamitsuru-gun, Yamanashi 401-0301 |
|---|---|
| directions_carAccess | About 15 minutes by car from the Kawaguchiko IC on the Chuo Expressway. From Kawaguchiko Station on the Fujikyu Railway Line, it is about a 10-minute walk or 5 minutes by car. A shuttle is available when you contact the hotel upon arrival at Kawaguchiko Station, from 2 p.m. to 7 p.m. and from 8 a.m. to 10 a.m. |
| trainNearest station | Kawaguchiko Station |
| local_parkingParking | Free parking for 50 cars. |
| callPhone | +81-555-72-1212 |
| paymentsCards | VISA, JCB, American Express, Diners Club, UC, DC, NICOS, Mastercard, Saison |
| languageOfficial site | https://www.kasuitei-ooya.co.jp/open_in_new |
Reference price as of August 28, 2026 (stay date 2026-09-19). Please check the booking site for actual rates.
Frequently Asked Questions
What are the co-sleeping charges for children?
expand_more
For co-sleeping with no meals or bedding, the charge is 2,750 yen including tax per child from age 1 through preschool age. Age 0 is free of charge.
Can families use a private-hire bath?
expand_more
Yes. The observation private-hire bath Ukifune costs 3,300 yen for 50 minutes and requires advance reservation. It is on the 7th floor, which requires using stairs because the elevator reaches only the 6th floor.
Are meals available for children?
expand_more
Yes. Elementary school children receive adult dishes with adjusted quantities and numbers of items at 70% of the adult rate, while children under school age ages 3-5 receive a kids' meal-style serving. Allergy accommodations are not available.
How do we get to the ryokan from Kawaguchiko Station?
expand_more
It is about a 10-minute walk or 5 minutes by car from Kawaguchiko Station. A shuttle is available when you contact the hotel upon arrival, from 2 p.m. to 7 p.m. and from 8 a.m. to 10 a.m.
Are children allowed to use the communal baths?
expand_more
Age-specific bath-use rules are not published, so please confirm them with the hotel. The 7th-floor observation baths are open from 3 p.m. to midnight and from 5 a.m. to 10 a.m. the following morning, while the basement communal baths are available 24 hours. A baby bed is provided in the communal bath changing room.
Related hotels
Family-friendly hotels in Fuji Five Lakes
Hotels with In-Room Dining in Fuji Five Lakes
Find other hotels
Find other hotels
Information on this page was compiled by directly consulting Official website, Rakuten Travel, Ikyu.com, Jalan (last verified: August 2026). Prices, availability and seasonal operations change — please check each booking site for the latest information.
We take care to keep information accurate, but always confirm the latest details on the hotel's official site and booking sites before you book or visit.















