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Onsen Tenseien 箱根湯本温泉 天成園
Hakone, Kanagawa · Private-bath facts checked on the official website: tenseien.co.jp ↗ · last verified 17 October 2026
Does Onsen Tenseien have a private onsen?
Yes. Onsen Tenseien in Hakone sells room types with a private open-air bath, so choose one of those rooms when you book. It also has 12 private (kashikiri) baths. Tattoos are not allowed in the shared baths. The spring water is described as free-flowing (kakenagashi). Checked on its official website on 17 October 2026.
Last verified · How we verify · Open data
What private baths does Onsen Tenseien have?
| In-room open-air bath | Yes, in some or all room types source ↗ |
|---|---|
| Private (kashikiri) baths | Yes, 12 baths source ↗ |
| Private bath fee | Not confirmed |
| How to use the private bath | Not confirmed |
| Spring water | Free-flowing spring water (kakenagashi) mentioned source ↗ |
| Tattoos: private baths | Not confirmed |
| Tattoos: shared baths | Not allowed in shared baths (cover rule mentioned) source ↗ |
| Children | Not confirmed |
| In-room dining | Not confirmed |
| Day-use private bath | Not confirmed |
| Mt Fuji view | Not confirmed We found no statement on the official website that rooms or baths face Mt Fuji. That does not mean there is no view; ask the property. |
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Onsen Tenseien on Rakuten Travel

- From ¥10,769 per room per night: Rakuten's lowest-rate estimate for its cheapest plan (which may be for one guest without meals), including tax and service charge (as of )
- Guest rating 4.24 out of 5 from 4,659 reviews on Rakuten Travel
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About Onsen Tenseien
Onsen Tenseien (箱根湯本温泉 天成園) is a ryokan in Hakone, about 0.6 km in a straight line from Tōnosawa Station. This page sums up what its official website says about private bathing, so you can see at a glance whether it suits a couple, a family or a guest with tattoos.
Rooms with their own open-air bath are offered, but the website doesn't say every room has one, so pick the room type carefully when you book. There are 12 private (kashikiri) baths that one group at a time can lock and use. The website doesn't explain how slots work, so ask at check-in.
The property describes its water as free-flowing (源泉かけ流し), fed from the source rather than recirculated. Tattoos aren't allowed in the shared baths, according to the website. It doesn't say whether the private baths are an exception, so ask before you book.
Anything marked 'not confirmed' below, such as 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 Hakone area

Day-use private baths nearby
- Hotel Odaka (Hotel Okada, 0.4 km)
- Fukuzumiro (福住楼, 0.5 km)
- Odakyu Hotel Hatsuhana (はつはな, 1.5 km)
Day trips around Hakone
Planning a day out? Browse Hakone tours and passes on Klook.