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Kamenoi Hotel Tsukubasan
forumWhat families say
Families praise the 'Kizuna Family Suite,' certified as a 'Welcome Baby Inn' by the MIKIHOUSE Child-Rearing Research Institute, and the kids' room with bunk beds and an athletic net. The infinity open-air bath overlooking the Kanto Plain and thoughtful family support such as baby food (for 5, 7, and 9 months) are also well received.
Categories
Kids Facilities
Kids Park
Kids Park
An in-hotel kids' park filled with fun play equipment that sparks children's curiosity.
Kizuna Family Suite Panorama View (Welcome Baby Certified)
Kizuna Family Suite Panorama View (Welcome Baby Certified)
A family suite with a spacious living room (76.9 sq m, up to 8 guests), certified as a 'Welcome Baby Inn' by the MIKIHOUSE Child-Rearing Research Institute. The bedroom is themed around 'Shiho / Mt. Tsukuba,' with a 'popIn Aladdin' projector, and the room comes equipped with a waterproof sheet, a child toilet seat, a diaper pail, a bottle-washing basin, a bottle brush, a step stool for the sink, and a baby bath chair.
Kids Room Deluxe Panorama View
Kids Room Deluxe Panorama View
A playfully designed kids' room with bunk beds and an athletic net that spark the adventurous spirit of energetic children. Also equipped with a 'popIn Aladdin' projector.
Tsukubasan Onsen 'Soshin no Yu' (Three Communal Baths)
Tsukubasan Onsen 'Soshin no Yu' (Three Communal Baths)
Water said to be gentle on the skin (alkaline simple onsen), rising at the foot of Mt. Tsukuba. Enjoy it in three locations: the 7th-floor infinity open-air bath (for overnight guests only, overlooking the Kanto Plain) and the 1st- and 2nd-floor communal baths (which swap between men's and women's use).
- •Bath hours: 7F infinity bath 10:45 a.m.-midnight / 5 a.m.-9 a.m. (alternates by gender); 1F/2F baths - men: 1F 3 p.m.-midnight, 2F 5 a.m.-9 a.m.; women: 2F 3 p.m.-midnight, 1F 5 a.m.-9 a.m.
- •Mixed-gender bathing is limited to ages 6 and under.
- •Guests with tattoos may not use the baths.
- •Photography and video recording inside the baths is prohibited.
- •The 7th-floor infinity open-air bath is for overnight guests only.
- •Day-use bathing is available Saturdays, Sundays, and holidays only, 12 p.m.-3 p.m. (last entry 2:30 p.m.), for JPY 1,100 (towel not included).
Northern Kanto Buffet and Kids' Corner
Northern Kanto Buffet and Kids' Corner
A buffet featuring ingredients from northern Kanto, centered on Ibaraki. There's a live-cooking station for Hitachi beef yaki-shabu, a kids' corner (children's menu, children's plates, spoon-and-fork sets, paper bibs), baby food (for 5, 7, and 9 months), and baby chairs.
- •Allergy accommodations are available only for a la carte menu items (advance consultation required); the buffet menu cannot be adjusted for allergies.
- •Because dishes are prepared in the same kitchen, trace cross-contamination is possible.
Overview
Kamenoi Hotel Tsukubasan is an onsen hotel on the mid-slopes of Mt. Tsukuba in Tsukuba, Ibaraki. Guests can enjoy the alkaline simple onsen 'Tsukubasan Onsen Soshin no Yu' across three baths: the 7th-floor infinity open-air bath overlooking the Kanto Plain, and the communal baths on the 1st and 2nd floors. The 'Kizuna Family Suite,' certified as a 'Welcome Baby Inn' by the MIKIHOUSE Child-Rearing Research Institute, and the 'Kids Room Deluxe Panorama View' with bunk beds and an athletic net, are popular with families. Family support is extensive, including baby food (for 5, 7, and 9 months) and rental baby-bottle sterilizers.
Kamenoi Hotel Tsukubasan is an onsen hotel on the mid-slopes of Mt. Tsukuba in Tsukuba, Ibaraki. It is about 40 minutes by direct Mt. Tsukuba shuttle bus from Tsukuba Station (Tsukuba Express), then about a 2-minute walk from the Tsukubasan-jinja-iriguchi bus stop.
Onsen
Tsukubasan Onsen 'Soshin no Yu' is an alkaline simple onsen, said to be gentle on the skin. The 7th-floor 'Infinity Open-Air Bath' overlooks the Kanto Plain and is for overnight guests only. The 1st- and 2nd-floor communal baths swap between men's and women's use on a schedule (men: 1F 3 p.m.-midnight / 2F 5 a.m.-9 a.m.; women: 2F 3 p.m.-midnight / 1F 5 a.m.-9 a.m.). Day-use bathing is available Saturdays, Sundays, and holidays only, 12 p.m.-3 p.m. (last entry 2:30 p.m.), for JPY 1,100 (towel not included); the infinity open-air bath is for overnight guests only and is not available for day use. Mixed-gender bathing is limited to ages 6 and under, guests with tattoos may not use the baths, and photography or video recording inside the baths is prohibited.
Guest Rooms
The 'Kizuna Family Suite Panorama View' (76.9 sq m, up to 8 guests: 6 adults + 2 children) is certified as a 'Welcome Baby Inn' by the MIKIHOUSE Child-Rearing Research Institute. It comes with a waterproof sheet, a child toilet seat, a diaper pail, a bottle-washing basin, a bottle brush, a step stool for the sink, a baby bath chair, and a 'popIn Aladdin' projector. Other room types include the Kids Room Deluxe Panorama View (with bunk beds, an athletic net, and a projector), Japanese-style tatami rooms, Western-style rooms, and dog-friendly rooms. All rooms are non-smoking.
In-Hotel Facilities
A kids' park, a game area (3 p.m.-10 p.m.), and the Zekkei Lounge (a bar, 8 a.m.-9 p.m.).
Dining
A buffet featuring the food culture and seasonal ingredients of northern Kanto, centered on Ibaraki. There's a live-cooking station for Hitachi beef, a kids' corner (children's menu, baby food, children's plates and spoon/fork sets, paper bibs), baby food (for 5, 7, and 9 months), and baby chairs. Allergy accommodations must be discussed at the time of booking, and allergy accommodations are not available for the buffet menu.
Other
Children's yukata are available (small: 70 cm / large: 90 cm); crib rental is not available. Pets are not permitted (though dog-friendly rooms are offered).
Access & Information
| location_onAddress | 1050-1 Tsukuba, Tsukuba-shi, Ibaraki 300-4352 |
|---|---|
| directions_carAccess | About 40 minutes by direct shuttle bus to Mt. Tsukuba from Tsukuba Station (Tsukuba Express), then about 2 minutes on foot from the Tsukubasan-jinja-iriguchi bus stop. |
| trainNearest station | Tsuchiura Station |
| local_parkingParking | Available, 65 spaces, free of charge. |
| callPhone | +81-29-866-1111 |
| paymentsCards | VISA, JCB, American Express, Diners Club, Mastercard |
| languageOfficial site | https://kamenoi-hotels.com/tsukubasan/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
Does the hotel offer cribs for babies?
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No. Crib rental is not available at this hotel at Kamenoi Hotel Tsukubasan. Please confirm directly with the hotel about arrangements for infants.
Can children bathe with an opposite-gender parent in the communal baths?
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Only up to age 6. Mixed-gender bathing in the communal baths is limited to children aged 6 and under; older children must use the bath matching their gender during its scheduled hours.
Is baby food available at the hotel?
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Yes. Baby food for 5-, 7-, and 9-month-old infants is served at the dining buffet's kids' corner, which also has baby chairs, children's plates, spoon-and-fork sets and paper bibs.
How do you get to the hotel from Tsukuba Station?
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It's about 40 minutes by the direct shuttle bus to Mt. Tsukuba from Tsukuba Station (Tsukuba Express), then about a 2-minute walk from the Tsukubasan-jinja-iriguchi bus stop.
Can the buffet accommodate food allergies?
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Only partially. Allergy-friendly options can be arranged for some a la carte menu items with advance consultation, but the buffet menu itself cannot be adjusted for allergies, and trace cross-contamination is possible since dishes are prepared in the same kitchen.
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Information on this page was compiled by directly consulting Official website, Rakuten Travel, Ikyu.com (English), 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.