A comfortable, relaxing space with breathtaking views of the Kanto Plain.

Nestled in the lush nature of Mt. Tsukuba, Kamenoi Hotel Tsukubasan is an Onsen Accommodation renowned for its breathtaking panoramic views over the Kanto Plain and high-quality natural Onsen, celebrated as a “beauty bath.” The highlight is the open-air “Infinity Rotenburo,” where you can take in magnificent scenery from the mountainside. Enjoy a blissful moment of relaxation as the sky and Onsen seem to melt into one. Guest rooms range from classic Japanese-Western style rooms and luxurious rooms with scenic-view baths to popular kids’ rooms and dog-friendly rooms where you can stay with your beloved pet—offering something for everyone. Enjoy your ideal getaway.

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Facilities and Services

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  • Hot spring
  • Room with Open-Air Bath
  • Pet-friendly
Open-air bath / Large public bath
IN15:00~18:00
OUT10:00
Number of rooms59 rooms
PetPermitted
Your childPermitted

Notice from the Accommodation

Kamenoi Hotel Tsukubasan has newly started listing on IKYU.com as of July 8, 2026. Due to the system migration associated with this launch, the number of Reviews and rating scores previously received from many guests will be cleared once. *As of July 1, 2026: Yahoo Travel Review rating 4.01. Thank you for your understanding.

To comply with Japan’s invoice system, only one Receipt can be issued per payment/transaction (settlement).
We are unable to issue split Receipts for the Accommodation Fee for one room per night or a Receipt for only part of the Accommodation Fee amount.

  • Japanese-style Room
  • 39.2㎡
  • Capacity 1~6 people

Relaxed Arrival Breakfast Buffet Plan

IN 15:00~20:00
OUT 10:00
¥19,120
Breakfast included ; 2 peopleTax included¥17,783
(USD 111.60)

[Guests aged 50 and over only] Enjoy panoramic views of the Kanto Plain from the lobby! Savor Ibaraki specialties at dinner with a luxurious buffet.

IN 15:00~18:00
OUT 10:00
¥22,980
Dinner and Breakfast included ; 2 peopleTax included¥21,377
(USD 134.16)
  • Japanese-style Room
  • 32㎡
  • Capacity 1~5 people

Relaxed Arrival Breakfast Buffet Plan

IN 15:00~20:00
OUT 10:00
¥19,960
Breakfast included ; 2 peopleTax included¥18,567
(USD 116.52)

[Guests aged 50 and over only] Enjoy panoramic views of the Kanto Plain from the lobby! Savor Ibaraki specialties at dinner with a luxurious buffet.

IN 15:00~18:00
OUT 10:00
¥23,780
Dinner and Breakfast included ; 2 peopleTax included¥22,121
(USD 138.83)
  • Twin
  • 20㎡
  • Capacity 1~2 people

[Guests aged 50 and over only] Enjoy panoramic views of the Kanto Plain from the lobby! Savor Ibaraki specialties at dinner with a luxurious buffet.

IN 15:00~18:00
OUT 10:00
¥24,980
Dinner and Breakfast included ; 2 peopleTax included¥23,735
(USD 148.96)

[Buffet] Enjoy panoramic views of the Kanto Plain from the lobby! Savor Ibaraki specialties at dinner with a luxurious buffet.

IN 15:00~18:00
OUT 10:00
¥26,300
Dinner and Breakfast included ; 2 peopleTax included¥24,985
(USD 156.80)

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Introduction of the Accommodation

Open-air bath
Infinity Open-Air Bath
Infinity Open-Air Bath
Infinity Open-Air Bath
Large Public Bath
Open-air bath
Infinity Open-Air Bath
An Accommodation with a Sky-High Infinity Open-Air Bath and Sparkling Night Views—Savor Ibaraki’s Finest Cuisine

Kamenoi Hotel Tsukubasan is a sky-high Onsen resort with sweeping views over the Kanto Plain! From the infinity open-air bath that feels connected to the sky, enjoy views of Mt. Fuji by day and a glittering panoramic nightscape—often called “the starry sky on earth”—by night. Savor Ibaraki’s seasonal bounty with a luxurious buffet featuring mountain-and-sea rice bowls and a live kitchen, and don’t miss the popular complimentary evening service, “Hell Tour Tantanmen.” We promise an exceptional escape and deep relaxation.

Guest Rooms
Guest Rooms
Guest Room
Guest Rooms
Guest Rooms
Kamenoi Hotel Tsukubasan: Three Highlights — Panoramic Views of the Kanto Plain and a Wide Variety of Room Types

Enjoy a liberating sense of openness with sweeping views over the vast Kanto Plain, and the soothing comfort of Tsukuba’s greenery. From distinctive Japanese-style and Western-style Rooms to slightly luxurious Rooms with scenic open-air baths, kid-pleasing kids’ Rooms, and dog-friendly Rooms where you can stay with your beloved pet, we cater to each guest’s “ideal trip.”

Restaurant
Restaurant
Restaurant
Restaurant
Restaurant
Kamenoi Hotel Tsukubasan: Three Highlights — Locally Inspired Cuisine Unique to Northern Kanto

Northern Kanto is packed with pride-worthy ingredients, including The whole country’s top-producing farm products and premium branded beef. We offer a buffet featuring seasonal local ingredients and Northern Kanto’s distinctive food culture. The nebuta displayed in the restaurant depict Izanagi-no-Mikoto and Izanami-no-Mikoto. “Matsuri Tsukuba,” held in August, is a festival where nebuta appear on a scale second only to those in the Tohoku region.

Card information
VISA / MASTER / JCB / AMEX / DINERS / UnionPay
Pets
Permitted
Only Dog-Friendly Rooms allow stays with dogs.
Breakfast[Hours] 7:00–9:00 Served as a buffet. *Dogs are not allowed in the restaurant.*
Your child
You can stay.
Room service
Not available
Common amenities
  • × Shampoo · conditioner
  • ○ Body soap · soap
  • ○ Towel · Bath towel
  • × Body towel · sponge
  • ○ Toothbrush set
  • ○ Comb · Brush
  • × Shower cap
  • ○ Hair dryer
  • ○ Shaving
  • × Shaving Gel/Foam
  • × Bath additives
  • ○ Yukata
  • × Nightwear
  • × Bathrobe
  • ○ Slippers
  • × facial cleanser
  • × Toner
  • × Lotion
  • × Makeup remover
  • × Cotton swab
  • × Cotton
  • × Clothing deodorizing spray
  • ○ Refrigerator
  • × Minibar
  • ○ Electric kettle
  • ○ Tea set (free)
  • ○ Television
  • ○ Safe
  • × Scale
  • × Trouser press
  • × Free morning edition
  • × Pay-per-view broadcast
  • × Satellite broadcasting
  • × Video on Demand
  • × Radio
  • × CD player
  • × DVD player
  • × Blu-ray player
  • × Speakers for portable audio
  • × In-room PCs and tablets
Facilities and Features
  • ○ Hot spring
  • ○ Rooms with open-air baths available
  • ○ Open-air bath
  • × Free-flowing hot spring
  • ○ Large public bath
  • × Private bath
  • × Sauna
  • × Ganbanyoku (rock bathing)
  • × Within a 5-minute walk from the station
  • × Within a 5-minute walk to the convenience store.
  • × Indoor pool
  • × Outdoor pool
  • ○ Pet-friendly
  • × Spa facility
  • × Fitness
  • × Free shuttle service
  • × Shuttle Service (Paid)
  • × Room service
  • × Room Service Available 24 Hours
  • × Barrier-free
  • × Childcare services
Esthetic Massage
None
Fitness gym
None
Public Bath
The number of Public Bath
2
Business Hours
15:00~09:00
Hot spring
Available
Free-flowing
None
Milky hot spring water
None
Additional Information
(Heating, Adding Water)
Remarks
The large public baths on the 1st and 2nd floors alternate between men and women. 1F & 2F Large Public Bath / Open-Air Bath Hours: 15:00–24:00 / 5:00–9:00
Open-air bath
The number of Open-air bath
4
Business Hours
15:00~09:00
Hot spring
Available
Free-flowing
None
Milky hot spring water
None
Additional Information
(Heating, Adding Water)
Remarks
7F Infinity Open-Air Bath Hours: 15:00–21:00 (Men) / 21:30–25:00 (Women) 1F & 2F Large Public Bath (Open-Air Bath) Hours: 15:00–24:00 / 5:00–9:00
Room with Open-Air Bath
Hot spring
None
Free-flowing
None
Milky hot spring water
None
Additional Information
Remarks
Spring quality and benefits

Alkaline Simple Onsen

Neuralgia, muscle pain, joint pain, frozen shoulder, and chronic digestive disorders Fatigue recovery, health promotion, and improved skin condition

SaunaNone
Hot stone spaNone

Access Information

Address
Ibaraki Prefecture1050-1 Tsukuba, Tsukuba City
TEL:+81-29-866-1111

About 40 minutes by direct shuttle bus to Mt. Tsukuba from TX Tsukuba Station. About a 2-minute walk from the “Tsukubasan Jinja Iriguchi” bus stop.

Parking Information
Fee
Free for guests
Parking time
---
Parking space
No restrictions
Number of parking spaces
65 cars available outdoor
Valet service
Unavailable
Self-parking (open-air), first-come, first-served

Pickup and drop-off information
Unavailable

Frequently Asked Questions

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