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Kozantei Ubuya 湖山亭うぶや
Lake Kawaguchiko, Yamanashi · Private-bath facts checked on the official website: ubuya.co.jp ↗ · last verified 17 October 2026
Does Kozantei Ubuya have a private onsen?
Yes. Kozantei Ubuya in Lake Kawaguchiko sells room types with a private open-air bath, so choose one of those rooms when you book. It does not state a tattoo policy. Anything a website does not state is marked not confirmed. Checked on its official website on 17 October 2026.
Last verified · How we verify · Open data
What private baths does Kozantei Ubuya have?
| In-room open-air bath | Yes, in some or all room types source ↗ |
|---|---|
| Private (kashikiri) baths | Not confirmed |
| Private bath fee | Not confirmed |
| How to use the private bath | Not confirmed |
| Spring water | Not confirmed |
| Tattoos: private baths | Not confirmed |
| Tattoos: shared baths | Not confirmed |
| Children | Not confirmed |
| In-room dining | Not confirmed |
| Day-use private bath | Not confirmed |
| Mt Fuji view | Confirmed: Fuji view from rooms or baths View from: rooms, shared bath and public areas such as a lounge or terrace. 温泉から、お部屋から、ラウンジから、館内どこからでも富士山を眺めてofficial website, checked 2026-10-17 |
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About Kozantei Ubuya
Kozantei Ubuya, written 湖山亭うぶや in Japanese, is a ryokan in Lake Kawaguchiko, about 1.6 km in a straight line from Kawaguchiko Station. Below we've pulled together what its own website says about private bathing: in-room baths, private family baths, the water and the tattoo rules.
The official site advertises rooms with a private open-air bath. Treat these as specific room types rather than the standard room, and choose that plan when you compare prices. We couldn't find any mention of a separate private (kashikiri) bath on the official site.
The website doesn't state a tattoo policy. If that matters to you, email the property before booking. Its official website also confirms Mt Fuji views; seeing the mountain still depends on the weather and on which side of the building your room faces.
Anything marked 'not confirmed' below, such as private baths, the water source and tattoo rules for private baths, wasn't stated on the pages we checked. That doesn't mean the answer is no, only that we haven't assumed one. We checked the official website on 17 October 2026. Rules and fees change, so confirm with the property, and use the buttons above to compare the same room across booking sites, including taxes and cancellation terms.
The Lake Kawaguchiko area
Day trips around Lake Kawaguchiko
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