Panoramic large bath and open-air bath
TypeNatural Hot Spring
A slightly silky, weakly alkaline, 100% free-flowing natural hot spring known as a skin-beautifying bath. The view from the open-air bath is also exceptional.
Panoramic sauna with self-löyly overlooking the Kuma River
Kumamoto Hitoyoshi City
An observation large public bath on the top floor of the new wing of the long-established Hitoyoshi Onsen ryokan Nabeya. Located in an excellent spot overlooking the Kuma River and the Hitoyoshi Castle ruins, the facility includes a sauna where guests can do self-löyly (Note: as of February 2026 the men's sauna is reported out of order; please confirm in advance). Enjoy a special healing time with the sauna's beautiful views and a continuously replenished, soft cold plunge bath.
TypeNatural Hot Spring
A slightly silky, weakly alkaline, 100% free-flowing natural hot spring known as a skin-beautifying bath. The view from the open-air bath is also exceptional.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity5people
A spectacular sauna with a large window overlooking the clear flow of the Kuma River. Guests can enjoy self-löyly by pouring aromatic water onto the stove, surrounded by pleasant humidity and fragrance.
Water QualityTap Water
Capacity3people
A cold plunge bath continuously fed from a tap. The pure, soft water gently cools your heated body.
Closed Days: None
22-2 Kokonokamachi, Hitoyoshi, Kumamoto 868-0004, Japan
Gender Access
Mixed Gender

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
Panoramic sauna with self-löyly overlooking the Kuma River
Kumamoto Hitoyoshi City
An observation large public bath on the top floor of the new wing of the long-established Hitoyoshi Onsen ryokan Nabeya. Located in an excellent spot overlooking the Kuma River and the Hitoyoshi Castle ruins, the facility includes a sauna where guests can do self-löyly (Note: as of February 2026 the men's sauna is reported out of order; please confirm in advance). Enjoy a special healing time with the sauna's beautiful views and a continuously replenished, soft cold plunge bath.
TypeNatural Hot Spring
A slightly silky, weakly alkaline, 100% free-flowing natural hot spring known as a skin-beautifying bath. The view from the open-air bath is also exceptional.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity5people
A spectacular sauna with a large window overlooking the clear flow of the Kuma River. Guests can enjoy self-löyly by pouring aromatic water onto the stove, surrounded by pleasant humidity and fragrance.
Water QualityTap Water
Capacity3people
A cold plunge bath continuously fed from a tap. The pure, soft water gently cools your heated body.
Closed Days: None
22-2 Kokonokamachi, Hitoyoshi, Kumamoto 868-0004, Japan
Gender Access
Mixed Gender

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