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Ibaraki Tsukuba City

Tsukubasan Keisei Hotel

An inn with spectacular open-air baths and highly alkaline beauty hot spring water, overlooking the Kanto Plain from the high elevation of Mount Tsukuba

  • Mount Tsukuba Onsen
  • Scenic View
  • Reserved onsen available
  • Natural Hot Spring

About Tsukubasan Keisei Hotel

"Tsukubasan Keisei Hotel" is a hot spring hotel located midway up Mount Tsukuba in Tsukuba, Ibaraki Prefecture. From the large communal bath, Tenkū no Yu, one of the hotel’s proudest features, sweeping panoramic views overlook the vast Kanto Plain, with the Pacific Ocean visible in the distance by day and glittering city lights and a sky full of stars at night. The indoor bath and open-air hot spring bath draw water from Fūjin no Yu, the source spring of Tsukubasan Onsen, an exceptionally alkaline simple hot spring with a pH of 10.18. Known as a beautifying bath that leaves the skin feeling soft and moisturized, it is extremely popular. The open-air area also features Yakusō no Yu, a seasonal herbal bath, allowing guests to enjoy a luxurious time of refreshment surrounded by magnificent scenery and rich nature.

Hot SpringONSEN

Large Communal Bath Tenkū no Yu

A large communal bath prized for its outstanding views overlooking the vast Kanto Plain. It has both an indoor bath and an open-air bath, with views of Hitachinaka Port and Kashimanada by day, and glittering city lights and a sky full of stars at night. This hot spring uses water from Fūjin no Yu, the source spring of Tsukubasan Onsen, and is an extremely alkaline simple hot spring with a pH of 10.18. Guests can enjoy the superb, silky-smooth feel of the water as it gently softens the skin’s roughness, making it truly the ultimate beautifying bath.

Open-Air Bath Yakusō no Yu

A medicinal bath located in the open-air area of Tenkū no Yu. It uses fragrant herbs that vary by season, and guests can soak while feeling the clear breeze carried by Mount Tsukuba’s great natural surroundings. Its warm, aromatic effects, different from those of a hot spring, gently ease travel fatigue and everyday stress, making this a seasonal bath full of atmosphere.

Facility Information

Address
300-4352 Ibaraki Prefecture, Tsukuba City, Tsukuba 1
Business Hours
15:00〜23:00/06:00〜09:00

[Day-use bathing] 11:00–16:00 (last admission 15:30) *Closed on Thursdays (irregular closures may apply)

Closed Days
Irregular Holidays
Gender Access
Gender Separated
Tattoo Policy (Communal Bath)
No Tattoos
Official Website
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Access

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