A large resort where you can enjoy an observation hot spring overlooking the Aso Five Peaks and an all-weather spa
Kumamoto Aso City
Kamenoi Hotel Aso Park Resort is a large resort hotel set on expansive grounds embraced by the great nature of Aso, making it a place the whole family can enjoy. Guests can savor abundant natural hot spring water in a wide variety of settings, including an observation large bath with sweeping views of the Aso Five Peaks and an open-air bath where a pleasant breeze passes through. The all-weather indoor heated pool, Ku a Resort Omel, is equipped with a full-fledged sauna that you can enter in swimwear, as well as a jacuzzi and a lazy river, making it an attractive destination for active year-round stays. There are also three private family baths with different atmospheres, allowing for a private bathing experience as well. Enjoy a stay that lets you fully experience the charm of Aso, together with comfortable rooms renewed in April 2026.
TypeNatural Hot Spring
A gentle natural hot spring with abundant water and a mild character. From the observation large bath, you can take in a sweeping panoramic view of the Aso Five Peaks and enjoy an open feeling as though you are blending into the scenery. In the open-air bath, you can relax and soothe both body and mind while feeling the clear air of Aso.
Sauna TypeDry Sauna
Capacity3people
A calm sauna located inside the large bath area. It warms the body thoroughly at a low temperature, making it suitable even for sauna beginners and those who do not like intense heat. By alternating between the sauna and the hot spring, you can enjoy an even deeper sense of relaxation.
Water QualityTap Water
Capacity2people
A crisp, cold cold plunge bath located inside the large bath area. It quickly cools and tightens the body after the sauna, letting you enjoy an invigorating cooldown. Its low temperature helps support an authentic sauna experience.
Closed Days: None
1230 Kurokawa, Aso City, Kumamoto 869-2225
Gender Access
Gender Separated
Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more
A large resort where you can enjoy an observation hot spring overlooking the Aso Five Peaks and an all-weather spa
Kumamoto Aso City
Kamenoi Hotel Aso Park Resort is a large resort hotel set on expansive grounds embraced by the great nature of Aso, making it a place the whole family can enjoy. Guests can savor abundant natural hot spring water in a wide variety of settings, including an observation large bath with sweeping views of the Aso Five Peaks and an open-air bath where a pleasant breeze passes through. The all-weather indoor heated pool, Ku a Resort Omel, is equipped with a full-fledged sauna that you can enter in swimwear, as well as a jacuzzi and a lazy river, making it an attractive destination for active year-round stays. There are also three private family baths with different atmospheres, allowing for a private bathing experience as well. Enjoy a stay that lets you fully experience the charm of Aso, together with comfortable rooms renewed in April 2026.
TypeNatural Hot Spring
A gentle natural hot spring with abundant water and a mild character. From the observation large bath, you can take in a sweeping panoramic view of the Aso Five Peaks and enjoy an open feeling as though you are blending into the scenery. In the open-air bath, you can relax and soothe both body and mind while feeling the clear air of Aso.
Sauna TypeDry Sauna
Capacity3people
A calm sauna located inside the large bath area. It warms the body thoroughly at a low temperature, making it suitable even for sauna beginners and those who do not like intense heat. By alternating between the sauna and the hot spring, you can enjoy an even deeper sense of relaxation.
Water QualityTap Water
Capacity2people
A crisp, cold cold plunge bath located inside the large bath area. It quickly cools and tightens the body after the sauna, letting you enjoy an invigorating cooldown. Its low temperature helps support an authentic sauna experience.
Closed Days: None
1230 Kurokawa, Aso City, Kumamoto 869-2225
Gender Access
Gender Separated
Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more