
Jozankei
Okujyozankei Kashogyoen
奥定山渓温泉佳松御苑
Katsushika Hokusai, Kajikazawa in Kai Province. The Metropolitan Museum of Art, CC0

Kasho Gyoen sits upstream of Jozankei inside Shikotsu-Toya National Park, on roughly 10,000 square metres of inherited garden around a large pond and a deck called the kaze terrace. It opened in 1989 as a conventional ryokan and was rebuilt in 2018 under the same name, in Hokkaido oak and ash and Sapporo soft stone. All 23 rooms are Japanese-style suites with separate living room and bedroom: 58 sq m in the Kurenai wing, 53 sq m in Ai.

Every room has its own hot spring bath facing the forest, piped from the Usubetsu source, distinct from the Jozankei spring next door: calcium-sodium bicarbonate, colourless and clear, faintly astringent, with a trace of hydrogen sulphide, and yours from check-in to check-out. The inn states plainly that it has no communal bath and no open-air bath, so bathing happens entirely in your room. Japanese listings record the water as recirculated and filtered, not free-flowing, while the inn’s own wording promises fresh water at any hour.
Dinner is not kaiseki but a set Italian course the kitchen calls Oku-Jozankei Italian: one menu per season, Hokkaido produce throughout. Breakfast is a Japanese tray with a small buffet. Both are served in the restaurant, which has private rooms for two to eight.
Check-in 14:00 (last 18:30), check-out 11:00. A free shuttle runs once daily from JR Sapporo Station, bookable until 17:00 the day before. Children of 12 and under, declined until September 2023, are now taken only on a dedicated plan with a private dining room.
Why we chose it
An onsen ryokan with no communal bath at all is unusual, and here it is the point: the Usubetsu water runs only into the 23 rooms, so the spring is never shared. Dinner is an Italian course rather than kaiseki, which will suit some travellers and disappoint others. We also value that the inn says plainly what it does not have.
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Prices are indicative and change with dates and availability.
Sources
- Official site (Japanese)
- Official site - rooms (Japanese)
- Official site - hot spring and spa (Japanese)
- Official site - dining (Japanese)
- Official site - garden and stay options (Japanese)
- Official site - access and shuttle bus (Japanese)
- Rakuten Travel listing - facilities and basic information
- Rakuten Travel listing - hot spring
- Rakuten Travel listing - plan list
- Jalan listing
- Jalan listing - property notice on children
- Ikyu listing
- Jozankei Tourist Association property page (Japanese)
Header artwork: Katsushika Hokusai, Kajikazawa in Kai Province. The Metropolitan Museum of Art, CC0
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