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Hoshino Resorts KAI Poroto

4.0 star property
A peaceful retreat where traditional Japanese culture meets contemporary amenities, surrounded by natural beauty that refreshes both body and mind

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Hot springs - Hoshino Resorts KAI Poroto (Shiraoi)
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Japanese-style Suite with Outdoor Bath RB2, Non Smoking | Minibar, in-room safe, free WiFi - Hoshino Resorts KAI Poroto (Shiraoi)
Lobby - Hoshino Resorts KAI Poroto (Shiraoi)
Public bath - Hoshino Resorts KAI Poroto (Shiraoi)
Located near Upopoy National Ainu Museum and Park, Hoshino Resorts KAI Poroto offers an authentic Japanese experience. Enjoy a massage or relax in the indoor mineral hot spring with free WiFi. The upscale ryokan provides self parking and free coffee/tea in the lobby.

Reviews

9.6 out of 10
Exceptional

Popular amenities

  • Breakfast included
  • Spa
  • Parking included
  • Free WiFi
  • Air conditioning
  • 24/7 front desk

Room options

Available filters for rooms
Showing 4 of 4 rooms

View all photos for Western-style Room TA3, Non Smoking

Western-style Room TA3, Non Smoking | Minibar, in-room safe, free WiFi

Western-style Room TA3, Non Smoking

10.0 out of 10
Exceptional
(1 review)
  • Lake view
  • 42 sq m
  • 1 bedroom
  • Sleeps 3
  • 3 Twin Beds
  • Free WiFi

View all photos for Western-style Room FA4, Non Smoking

Western-style Room FA4, Non Smoking | Minibar, in-room safe, free WiFi

Western-style Room FA4, Non Smoking

  • Lake view
  • 1 bedroom
  • Sleeps 4
  • 4 Twin Beds
  • Free WiFi

View all photos for Western-style Room with Outdoor Bath RA3, Non Smoking

Western-style Room with Outdoor Bath RA3, Non Smoking | Minibar, in-room safe, free WiFi

Western-style Room with Outdoor Bath RA3, Non Smoking

10.0 out of 10
Exceptional
(4 reviews)
  • 1 bedroom
  • Sleeps 3
  • 3 Twin Beds
  • Free WiFi

View all photos for Japanese-style Suite with Outdoor Bath RB2, Non Smoking

Japanese-style Suite with Outdoor Bath RB2, Non Smoking | Minibar, in-room safe, free WiFi

Japanese-style Suite with Outdoor Bath RB2, Non Smoking

10.0 out of 10
Exceptional
(1 review)
  • 1 bedroom
  • Sleeps 2
  • 2 Twin Beds
  • Free WiFi

About the neighborhood

Shiraoi is home to Hoshino Resorts KAI Poroto. Check out an event or a game at Sapporo Dome, and consider making time for Rusutsu Resort, a top attraction not to be missed. Visit our Shiraoi travel guide
Map
1-1018-94 Wakakusa, Shiraoi, Hokkaido, 059-0902

What's nearby

  • Jugokudani or hell valley in Noboribetsu, Hokkaido, Japan
    Jigokudani
    38 min drive - 19.4 miles
  • Upopoy National Ainu Museum and Park
    1 min walk - 0.1 miles
  • Lake Poroto
    6 min walk - 0.4 miles
  • Shiraoi Tourist Information Center
    9 min walk - 0.5 miles
  • Lake Shikotsu
    37 min drive - 23.9 miles

Getting around

  • Noboribetsu Station
    26 min drive
  • New Chitose Intl. Airport (CTS)
    41 min drive

Restaurants

  • マザーズ よこすと食堂
    2 min drive
  • 大鳳 中華レストラン
    13 min walk
  • sweets cafe ななかまど -イレンカ-
    4 min walk
  • 輪果
    8 min drive
  • 白老たまごの里マザーズ たまご館
    2 min drive

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Property amenities

Internet

  • Available in all rooms: Free WiFi

Parking and transportation

  • Free self parking on site

Food and drink

  • Free Japanese breakfast available daily 7:30 AM to 9:00 AM
  • Coffee and tea in common areas

Family friendly

  • Mini-fridge

Conveniences

  • 24-hour front desk

Spa

  • Massage
  • Public indoor mineral hot springs (onsen)
  • Public outdoor mineral hot springs (onsen)
  • Spa services

Accessibility

  • Elevator

More

  • Smoking not allowed

Room amenities

Bathroom

  • Free toiletries
  • Hair dryer
  • Slippers
  • Toilet with electronic bidet
  • Towels provided

Entertainment

  • Flat-screen TV with digital channels

Food and drink

  • Electric kettle
  • Free bottled water
  • Mini-fridge
  • Minibar
  • Tea bags/instant coffee

More

  • Air conditioning (climate-controlled)
  • Heating (climate-controlled)
  • Safe

Policies

Check-in

Check-in start time: 2:30 PM; Check-in end time: 6:00 PM
Minimum check-in age: 18

Check-out

Check-out before 11:00 AM

Special check-in instructions

Front desk staff will greet guests on arrival at the property
This property doesn't offer after-hours check-in
Information provided by the property may be translated using automated translation tools

Access methods

Staffed front desk

Pets

Pets not allowed

Children and extra beds

Children are welcome
1 child per adult, up to the age of 2 years, can stay for free if using existing beds when occupying the parent or guardian's room

Property payment types

Important information

Fees

You'll be asked to pay the following charges at the property. Fees may include applicable taxes:

  • A city tax may be collected at the property. The city tax ranges from JPY 100–10,000 per person, per night based on the nightly room rate. Please note that further exemptions may apply. For more details, please contact the property using the information on the reservation confirmation received after booking.

We have included all charges provided to us by the property.

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
This property accepts credit cards; cash is not accepted

We should mention

The Japanese Ministry of Health, Labour, and Welfare requires all international visitors to submit their passport number and nationality when registering at any lodging facility (inns, hotels, motels, etc. ); additionally, lodging proprietors are required to photocopy passports for all registering guests and keep the photocopy on file
Please note that some properties do not permit guests with tattoos to use the onsite public bathing facilities

Frequently asked questions

Is Hoshino Resorts KAI Poroto pet-friendly?

No, pets are not allowed at this property.

How much is parking?

Self parking is free at this property.

What time is check-in at Hoshino Resorts KAI Poroto?

Check-in start time: 2:30 PM; Check-in end time: 6:00 PM. After-hours check-in is not available.

What time is check-out at Hoshino Resorts KAI Poroto?

Check-out is at 11:00 AM.

Where is Hoshino Resorts KAI Poroto located?

Situated in Shiraoi, this ryokan is steps from Upopoy National Ainu Museum and Park.

Can I cancel my reservation for free and receive a full refund?

Yes, this property offers free cancellation on select room rates, because flexibility matters! Please refer to the property cancellation policy on our site for more details about any exclusions or requirements.

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Reviews

Hoshino Resorts KAI Poroto Reviews

9.6

Exceptional

9.8

Cleanliness

9.6

Amenities

9.8

Staff & service

9.8

Property conditions & facilities
Rating 10 - Excellent. 105 out of 133 reviews
Rating 8 - Good. 23 out of 133 reviews
Rating 6 - Okay. 2 out of 133 reviews
Rating 4 - Poor. 1 out of 133 reviews
Rating 2 - Terrible. 2 out of 133 reviews

Reviews

Verified

10/10 Excellent

Carmen

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The half board Japanese meals were one of the best we have had. The onsen was fabulous, especially the outdoor part. Though I should have been mindful that the one called O was opened to public during certain hours. It was a bit crowded during those times. All in all, a lovely stay !
Stayed 1 night in May 2026
Verified

10/10 Excellent

Juan Pablo

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
I love this place. I could stay for a whole week. The rooms are awesome. The views are unbeatable, the onsen is wonderful, and the staff is the best of the best. Thanks, Tristan, and everyone else who helped during my stay 😊
Stayed 1 night in Apr 2026
Verified

10/10 Excellent

Carol

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The area was beautiful and peaceful and very calming. The onsen felt realy nice and rejuvenating after our snowboarding crash course. They also had dryers in the hotels for snowboards and boots and where more than happy to turn it on for us.
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

Gary Kai Ming

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Well trained staffs
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

Victor

Liked: Cleanliness, amenities, property conditions & facilities
Room spotless, harmonious with fantastic view. Very courteous staff. It was a top quality stay.
Stayed 1 night in Dec 2025
Verified

10/10 Excellent

Noriko

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Lovely friendly staff. Very attentive and caring.
Stayed 1 night in Dec 2025
Verified

10/10 Excellent

Christina

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Well trained staff and relaxing environment.
Stayed 1 night in Nov 2024
Verified

10/10 Excellent

James

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The staffs were very kind and professional. The lake view was the best.
Stayed 1 night in Apr 2025
Verified

10/10 Excellent

Miriam

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Excellent services and environment
Stayed 2 nights in Oct 2024
Verified

10/10 Excellent

Laura

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Amazibg onsen and private bath in room with largw windows and pond& lake views. Very private withbexcellent meals.
Stayed 2 nights in Oct 2024
Verified

10/10 Excellent

MARIO

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Japan Gems

Incredible staff and an incredible room with private onsen
Stayed 1 night in Dec 2024
Verified

10/10 Excellent

Wasamon

Liked: Cleanliness, staff & service, property conditions & facilities
Food is good. Room is nice.
Stayed 2 nights in Jul 2024
Verified

10/10 Excellent

Chantelle

Liked: Cleanliness, amenities, property conditions & facilities
Two words: the view!! It was one of the best resort we’ve stayed in. An easy 8 minute walk from the train station or 5 min taxi ride. Located next to the Ainu museum. The staff were friendly and super hospitable. When we got there we were assigned a hostess would gave us a tour of the resort and amenities. The outside livable onsen was amazing, relaxing, and had the most beautiful views of the lake and mountains. The insider onsen was nice but it is open to the public so I only went once. But the best was the onsen bath in the room, but warming it is extremely hot like boiling water lol but once you open the window it’s much more pleasant.
Stayed 2 nights in Dec 2025
Verified

10/10 Excellent

Pei

Liked: Cleanliness, property conditions & facilities
The friendly staff, their service is outstanding. There is a dedicated person who welcome you, carry your bags, give you a tour of the facility and the room. The room is clean and comfortable, great amenities, the only thing that I do not like is they blast the heater to high, even with lowering the temperature, it is still very hot. The room came with dinner and breakfast. I did not tell them in advance that my husband is allergic to diary, So there have no time to amend the menu for dinner. But for the breakfast, they were able to substitute all dishes with diary with alternatives. Service is excellent and over and above.
Stayed 1 night in Dec 2025
Verified

10/10 Excellent

Olivia

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We had the most gorgeous time at this beautiful ryokan/onsen/resort. The setting is so calm and luxurious – I’ll never forget sitting in the (huge) window of our room in the evening and morning, watching the birdlife over the pond and river, with the snowy mountains in the distance. The outdoor onsen is especially spectacular in the early mornings and late nights, and we appreciated that even at 'busy' times during our stay there were only a handful of other people at most in the onsen. It was also lovely to have information for those new to onsen, so everyone felt welcome and comfortable, and a recommended 'itinerary' for a one-night stay, acknowledging that many (like us) would only have a short time here. Dinner and breakfast were both stunning in the traditional ryokan style, with lovely sake and wine on offer in the evening. The hotel is clearly able to accomodate a large number of guests but is cleverly laid out (as is the dining room) to make it feel very intimate and private for each guest. It’s such a special and calm place, and one I’ll always think of very fondly! (PS. You can access the National Ainu Museum by foot via the hotel car park, or it’s a very quick drive next door. We visited after checking out — not to be missed!)
Stayed 1 night in Dec 2025
Verified

10/10 Excellent

Momilani

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Nice room.
Stayed 2 nights in Apr 2026
Verified

10/10 Excellent

Wu Chung

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
The onsen is extraordinary, and the meals are great
Stayed 1 night in Sep 2025
Verified

10/10 Excellent

Rachel Lai Ching

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Excellent service, high quality food, onsen was amazing.
Stayed 2 nights in Jul 2025
Verified

10/10 Excellent

Harry

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
.
Stayed 2 nights in Apr 2026
Verified

10/10 Excellent

Kwok hung

Liked: Cleanliness, staff & service, amenities
Excellent
Stayed 1 night in Jan 2026
Verified

8/10 Good

Su Hua

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Newer, gorgeous property with Ainu elements at a serene part of the small town. Nice, minimally designed room with great view of the lake, great for a relax trip. Onsen water is brownish and feels v therapeutic, smoothening for the skin. Food is alright, breakfast portion is a little small. Unlike other similar grade onsen hotels, there is no drinks provided in the room - only a jug of water, this is rather disappointing. Can't be sure the water is fresh. If this is due to environmental practice, the hotel could have provided water in aluminium can...
Stayed 1 night in Apr 2026
Verified

8/10 Good

David

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Room is very spacious and nice, design and ambience are so great. It will be better if it can offer upgrade option for dinner, and offer transfer service to JR station.
Stayed 1 night in Dec 2025
Verified

10/10 Excellent

Shu Juan

Liked: Cleanliness, staff & service, property conditions & facilities
Very relaxing stay
Stayed 1 night in Dec 2023
Verified

10/10 Excellent

Cyriac

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

This is the place to stay.

This is an absolutely outstanding place. Unique, gorgeous architecture, top quality.
Stayed 1 night in Jul 2025
Verified

8/10 Good

Hou Ming Joyce

Liked: Cleanliness, amenities, property conditions & facilities
The onsen is excellent
Stayed 1 night in Aug 2023