Hakkoda Day-Use Onsen Compared: Sukayu, Yachi and Jogakura
Compare Sukayu's Sen-nin-buro, Yachi's two springs and Jogakura's indoor baths. Jogakura's outdoor baths are closed; check mountain access before setting out.
Hakkoda’s baths are spread along a mountain route. Choosing among Sukayu, Yachi and Hotel Jogakura is less about which one is “best” than what you want from the stop—and whether the bus or road will get you there on your travel date.
Choose by the bath, not just the map
| Bath | The main reason to go | Current day-use information |
|---|---|---|
| Sukayu Onsen | The large timber Sen-nin-buro and its strong-acid spring; a separate gender-segregated bath is available | Through November 30, 2026: adults ¥1,000. From December 1: 9 a.m.–4 p.m., last entry 3:30 p.m., adults ¥1,500. |
| Yachi Onsen | Two small baths: a 38°C spring that rises through the floor and a 42°C milky spring | 10 a.m.–3 p.m., last entry 2:30 p.m.; adults ¥800. From November 1 through April 30, it closes Tuesday through Thursday, with possible additional closures. |
| Hotel Jogakura | Indoor bath, mist sauna, cold plunge and relaxation areas | 11:30 a.m.–3 p.m., last entry 2:30 p.m.; adults ¥1,000. The hotel’s outdoor-bath suspension notice remains posted; its indoor bath is operating normally. |
Those hours leave little room for a casual multi-stop circuit. The baths are close on a map, but the service is seasonal and infrequent, and the stretch between Sukayu and Yachi closes to traffic in winter. Pick the bath first, then test the transport plan in both directions.
Sukayu: go for the historic bath, if mixed bathing works for you
The draw is the Sen-nin-buro, a large cypress-and-hiba bathing hall with mixed bathing. Sukayu also has Tamano-yu, with separate men’s and women’s sections. Its published terms include women-only periods and bathing garments for the mixed bath; neither makes it private, so Tamano-yu is the straightforward choice if you do not want a mixed-bathing space.
Sukayu’s notice lists two rates: ¥1,000 through November 30, 2026, then ¥1,500 from December 1. Both tickets include the two bath areas and towels. The seasonal change also affects the day-use schedule, so use the notice for the date of your visit.
Sukayu is also the simplest of these three to reach on the winter bus from Aomori. That does not make it immune to snow delays or service changes; check the operator’s date-specific timetable.
Yachi: a small bathhouse where the water is the point
Yachi’s two baths have different water temperatures and appearances. The lower spring is listed at 38°C, clear and colourless, with water bubbling up through the floor. The upper spring is listed at 42°C and appears milky from sulfur deposits. These are the spring temperatures on the inn’s site, not fixed readings for the bathing pools; the inn does not publish a guaranteed pool temperature. Each gender-separated bathing area has both baths.
There is no sauna. That is useful to know if you are choosing between facilities, but it is not a shortcoming if what you want is an unhurried soak in a traditional mountain inn. The day-use window is only five hours, and last entry is 2:30 p.m.; arriving near closing leaves little time to settle in.
In winter the inn closes Tuesday, Wednesday and Thursday from November 1 through April 30. The operator also warns of irregular closures and asks visitors to check its calendar. The road between Sukayu and Yachi closes seasonally, so do not plan to drive between them during the closure period.
Jogakura: currently, judge it by the indoor facilities
Jogakura’s indoor public bath has a mist sauna, cold plunge, rain shower and jet bath. The hotel lists the outdoor baths as spring-fed, but the current safety notice says they are suspended after a bear sighting near the property. The same notice says the indoor bath and other hotel facilities remain open. No reopening date is given, so confirm the notice again if you are booking for the forest-facing outdoor bath.
Jogakura has no private family bath, and it does not rent bath towels.
| Day-use detail | Current information |
|---|---|
| Reception | 11:30 a.m.–3 p.m. |
| Last entry | 2:30 p.m. |
| Adult admission | ¥1,000 |
| Hand towel | ¥200 |
The practical pick
For a first visit, Sukayu offers the most distinctive single bath, provided the mixed-bathing arrangement is acceptable. Yachi suits someone who wants to pay attention to spring water and temperature rather than sauna facilities. Jogakura makes more sense if its indoor sauna-and-bath combination is what you want; its outdoor bathing is not available under the current notice.
If you are travelling without a car, start with the Hakkoda bus day-trip guide. For a meal-and-bath visit at the nearby hotel, see the Hakkoda Hotel lunch and day-bathing guide. The regional Hakkoda onsen overview covers Tsuta and other mountain stops as well.
Sources and date checked
Sukayu, Jogakura and bus details checked September 27, 2026; Yachi Onsen’s current day-use details rechecked September 28, 2026. - [Sukayu Onsen: day-use hours, fees and December 2026 change](https://sukayu.jp/information2/) - [Yachi Onsen: baths, admission and winter closing days](https://www.yachionsen.com/onsen/) - [Hotel Jogakura: day-use bathing and facility details](https://www.jogakura.com/hotspring/) - [Hotel Jogakura: outdoor-bath suspension notice](https://www.jogakura.com/news/171/) - [JR Bus Tohoku: current Hakkoda and Oirase schedules](https://www.jrbustohoku.co.jp/route/11/284/) - [Hakkoda Hotel: winter road restrictions](https://www.hakkodahotel.co.jp/access/)Tags: Hakkoda Onsen, Aomori hot springs, day-use onsen, Sukayu, Yachi Onsen, Hotel Jogakura
