KAI Poroto (界 ポロト) is a KAI ryokan at 1-1018-94 Wakakusa-cho, Shiraoi, Hokkaido. a hot spring ryokan at 1-1018-94 Wakakusa-cho, Shiraoi, Hokkaido, with 42 rooms. All rooms offer views of Lake Poroto, and the ryokan honours the Ainu people, indigenous to Hokkaido, through its architecture, art and decor. Guests can bathe inside the cone-shaped bathhouse, inspired by traditional Ainu architecture, and in outdoor baths that look out over scenic Lake Poroto and its colourful natural surroundings.
Where KAI Poroto is
KAI Poroto sits at 1-1018-94 Wakakusa-cho, Shiraoi, Hokkaido. The property has 42 rooms, which places it among the larger KAI houses — it can absorb a family group without feeling crowded.
Getting there
KAI Poroto is at 1-1018-94 Wakakusa-cho, Shiraoi, Hokkaido 059-0902. By car, it is approximately 6 minutes from Shiraoi Interchange, approximately 65 minutes from Sapporo Kita Interchange from Sapporo, and approximately 40 minutes from New Chitose Airport Interchange from New Chitose Airport. Parking capacity is 42 cars. When using a car navigation system, enter the map code 545 193 836*36; it does not display correctly in search by phone number. Snow and road freezing may occur during winter weather, and the use of studless tyres or chains is recommended.
By train, it is approximately 10 minutes on foot from JR Shiraoi Station (North Exit). From Sapporo, take Hokuto No.12 (bound for Hakodate) from JR Sapporo Station to JR Shiraoi Station, which takes approximately 65 minutes. By plane, from New Chitose Airport a rental car or taxi takes approximately 40 minutes.
What the ryokan is like
Staying at KAI Poroto is a hot spring ryokan experience with views of Lake Poroto from all rooms, and its architecture, art and decor honour the Ainu people, indigenous to Hokkaido. Guests can bathe inside a cone-shaped bathhouse inspired by traditional Ainu architecture, as well as in outdoor baths that look out over scenic Lake Poroto and its colourful natural surroundings.
All rooms are Signature Rooms, offering ornamentation patterned with traditional Ainu motifs and views of Lake Poroto. Dinner is kaiseki, featuring local seafood such as crab, botan shrimp, scallops and salmon, with dishes complemented by dishware inspired by Ainu craft traditions.
Around Shiraoi
KAI Poroto is in Shiraoi Onsen in Hokkaido, an area with Lake Poroto and colourful natural surroundings. The Ainu people are indigenous to Hokkaido and have lived in harmony with nature. The Upopoy National Ainu Museum is next to KAI Poroto and offers the chance to experience Ainu culture. The region is also associated with local seafood such as crab, botan shrimp, scallops and salmon.
Frequently asked questions
What is the address?
The address is 1-1018-94 Wakakusa-cho, Shiraoi, Hokkaido 059-0902.
How many rooms are there?
There are 42 rooms.
How can I reach the hotel by train from JR Sapporo Station?
From JR Sapporo Station, take Hokuto No.12 (bound for Hakodate) to JR Shiraoi Station; the journey takes approximately 65 minutes. From JR Shiraoi Station (North Exit), the hotel is approximately 10 minutes on foot.
Planning a Hokkaido trip around it
KAI Poroto works as one or two nights inside a longer Hokkaido route. We build private itineraries with a car and a private guide, and we book the ryokan as part of the plan rather than leaving you to assemble it. Tell us your dates and who is travelling and we will design it free of charge, with no obligation.
See our private tours in Hokkaido, or message us on WhatsApp.
Current rates for KAI Poroto are worth checking against your dates before you commit — rates move with the season in onsen country.
BLISS TRAVEL plans private tours across Japan, China, Australia, New Zealand and Europe. Property details in this guide come from the official Hoshino Resorts pages for KAI Poroto; facilities and access can change, so we confirm them with the ryokan before you book.
Planning a private tour?
Tell us your travel dates and we will shape an itinerary around them — hotels, cars and a private guide.
BLISS TRAVEL is part of ZEUS GROUP