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Kurokawa Onsen Ikoi Ryokan
Kumamoto Prefecture/Kurokawa OnsenEnjoy a mixed-gender open-air onsen and 13 types of onsen at a tranquil property nestled in Kurokawa Onsen.
The mixed-gender open-air bath "Taki no Yu," the only one in Kurokawa Onsen selected as one of Japan's Top 100 Secret Hot Springs, offers not only exceptional water quality but also a sense of traditional Japanese onsen charm. The nostalgic property features 13 different onsens, allowing guests to enjoy a variety of baths within the accommodation.
This time, my spouse and I traveled around Kumamoto by rental car with our two sons and stayed in Kurokawa Onsen. The atmosphere of the entire Onsen town was very calm—quiet, charming, and a wonderful place to relax at a leisurely pace. The quality of the Onsen water was excellent, and we felt deeply relaxed after bathing. The Ryokan staff were kind and attentive, and the Room was clean and comfortable. It was a very satisfying stay for our whole family and one of the most memorable highlights of our trip to Kumamoto. We highly recommend this Onsen destination for family trips as well.
Dentalcat 7/1/2026The Kurokawa Onsen stay I had been looking forward to exceeded my expectations. There are 13 baths in the Accommodation, and excluding the ones attached to Rooms, I tried 8 of the 11 and was very satisfied. The Facility was spotless and sparkling clean throughout. The food was delicious, and the service was attentive down to the smallest details, making for a very pleasant stay—I’d love to come again. One note: Guests can park in the Accommodation’s parking lot, but the road is narrow.
takireds 5/8/2026
Facilities and Services
See All- Hot spring
| IN | 15:00~18:00 |
|---|---|
| OUT | 10:00 |
| Number of rooms | 13 rooms |
| Pet | Not allowed |
| Your child | Permitted |
Photo
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Introduction of the Accommodation

13 hot springs harmonized with nature within the Property.
The harmonious scenery of tree shadows and the flow of cascading water amidst the onsen steam provides a comforting sense of relief. The mixed open-air bath "Taki no Yu," selected among Japan's Top 100 Famous and Secret Onsen, satisfies the Japanese onsen ambiance with its water quality and scenery. Various types of onsen, including the skin-soothing "Beauty Bath," are abundant within the ryokan.

Hot spring eggs boiled in the Kurokawa Onsen source. Add salt to taste.

The rooms at Ryokan Ikoi offer a variety of types, from traditional Japanese-style rooms to Japanese-Western hybrid rooms and maisonette-style detached rooms. However, all rooms are designed with simplicity and comfort as the top priority.

Using seasonal local ingredients, we craft creative and seasonal Japanese Kaiseki cuisine. Each dish is prepared to highlight the natural flavors, bringing joy and inspiration to our guests. We also offer local beverages that perfectly complement the dishes, ensuring a comfortable dining experience for our customers.
Facilities and Equipment of Accommodation
- The room
- Hot Springs & Baths
- Meal
Basic Information
| Card information | Credit card payments not accepted on site. |
|---|---|
| Pets | Not allowed |
| Breakfast | There is no information about breakfast. |
| Your child | You can stay. We do not accommodate children below elementary school age (including Child Sharing Existing Bedding). |
| Room service | Not available |
| Common amenities |
|
| Facilities and Features |
|
| Esthetic Massage | None |
| Fitness gym | None |
| Public Bath |
|
| Open-air bath |
|
| Private bath |
|
| Spring quality and benefits | Simple Onsen Bruise Skin beautifying effect Rheumatism and neurological diseases ※Regarding the notation of "Gensen Kakenagashi" |
| Sauna | Available |
| Hot stone spa | None |
Reviews
- Rooms & Amenities4.63
- Facility4.61
- Hospitality & Service4.80
- Meals4.80
- Onsen & Bath4.78
- Satisfaction4.81
*Reviews that have been translated from Japanese.*
*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*
Access Information
Kumamoto PrefectureKawabata Street, Kurokawa Onsen, Minamioguni Town, Aso District
TEL:+81-967-44-0552
■ By Car
Fukuoka: Approximately 2 hours 30 minutes
Kitakyushu: Approximately 3 hours
Beppu: Approximately 1 hour 30 minutes
Kumamoto: Approximately 1 hour 30 minutes
Kurume: Approximately 2 hours
Hita: Approximately 1 hour
JR Aso Station: Approximately 1 hour
■ By Plane
From Fukuoka Airport by car: Approximately 2 hours
From Kumamoto Airport by car: Approximately 1 hour 20 minutes
Bus available from Kumamoto Airport to Kurokawa Onsen
- Parking Information
- Fee
- Free for guests
- Parking time
- ---
- Parking space
- No restrictions
- Number of parking spaces
- 18 cars available outdoor
- Valet service
- Unavailable
- Pickup and drop-off information
- Available (Free)We provide a Shuttle Service from the Kurokawa Onsen bus stop to our facility.
Please inform us of your arrival time at the Kurokawa Onsen bus stop in advance.
Frequently Asked Questions
Please provide information about Open-air bath.
・Business Hours: 06:30~22:00 ・Hot spring: Available ・Free-flowing: Available ・Cloudy hot spring water: None ・Supplementary information: 100% natural hot spring (Add water)
What kind of facilities and features are available?
There are the following facilities and features. Hot spring・Open-air bath・Free-flowing hot spring・Large public bath・Private bath・Sauna・Free shuttle service
I would like to know the access information.
■ By Car Fukuoka: Approximately 2 hours 30 minutes Kitakyushu: Approximately 3 hours Beppu: Approximately 1 hour 30 minutes Kumamoto: Approximately 1 hour 30 minutes Kurume: Approximately 2 hours Hita: Approximately 1 hour JR Aso Station: Approximately 1 hour ■ By Plane From Fukuoka Airport by car: Approximately 2 hours From Kumamoto Airport by car: Approximately 1 hour 20 minutes Bus available from Kumamoto Airport to Kurokawa Onsen
Is parking available?
・Fee: Free for guests ・Parking space: Length --- Vehicle width --- Vehicle height --- ・Number of parking spaces: 18 cars ・Valet Service: Unavailable
Please provide information about Private bath.
・Business Hours: 06:30~24:00 ・Hot spring: Available ・Free-flowing: Available ・Cloudy hot spring water: None ・Supplementary information: 100% natural hot spring (Add water)
Is there a sauna?
Yes, there is.
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