The atmosphere of a historic therapeutic hot spring retreat, silky spring water with a sulfur aroma, and moments of quiet serenity
Kumamoto Yamaga City
"Hirayama Onsen Yuno Kura" is an onsen inn located in Hirayama Onsenkyo in Yamaga City, Kumamoto Prefecture, carrying on the atmosphere of a classic therapeutic hot spring retreat to the present day. It offers a 100% natural free-flowing alkaline simple sulfur spring with a pH of 9 or higher, with a silky, lotion-like texture and a faint sulfur aroma that creates the feel of a hidden hot spring gem. The day-use public bath is equipped with a compact yet heat-retaining dry sauna and a cold plunge bath. From the open-air bath, guests can enjoy views of nature through the seasons and savor a luxurious time to forget everyday life and fully relax body and mind.
TypeNatural Hot Spring
A 100% natural free-flowing hot spring unique to Hirayama Onsen, with an exceptionally rich, silky texture. It contains sulfur components and is renowned as a beauty bath that helps cleanse the skin while leaving it moisturized. In the rock-built open-air bath and the spacious indoor bath, you can enjoy the fresh feel of the water with your whole body.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity4people
A compact dry sauna attached to the public bath. The wood-lined interior retains heat well, encouraging a pleasant sweat even in a short stay. In this quiet space, you can focus on yourself and enjoy a deep sense of refreshment through alternating between the sauna and the hot spring.
Water QualityTap Water
Capacity2people
A cold plunge bath located right next to the sauna. Its crisp chill quickly cools down a body heated by the sauna or hot spring, leaving you feeling refreshed. The high-quality water is gentle on the skin and makes the transition into the state of totonou through alternating baths smooth and comfortable.
Closed Days: None
〒861-0556 5255-2 Hirayama, Yamaga City, Kumamoto Prefecture
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
The atmosphere of a historic therapeutic hot spring retreat, silky spring water with a sulfur aroma, and moments of quiet serenity
Kumamoto Yamaga City
"Hirayama Onsen Yuno Kura" is an onsen inn located in Hirayama Onsenkyo in Yamaga City, Kumamoto Prefecture, carrying on the atmosphere of a classic therapeutic hot spring retreat to the present day. It offers a 100% natural free-flowing alkaline simple sulfur spring with a pH of 9 or higher, with a silky, lotion-like texture and a faint sulfur aroma that creates the feel of a hidden hot spring gem. The day-use public bath is equipped with a compact yet heat-retaining dry sauna and a cold plunge bath. From the open-air bath, guests can enjoy views of nature through the seasons and savor a luxurious time to forget everyday life and fully relax body and mind.
TypeNatural Hot Spring
A 100% natural free-flowing hot spring unique to Hirayama Onsen, with an exceptionally rich, silky texture. It contains sulfur components and is renowned as a beauty bath that helps cleanse the skin while leaving it moisturized. In the rock-built open-air bath and the spacious indoor bath, you can enjoy the fresh feel of the water with your whole body.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity4people
A compact dry sauna attached to the public bath. The wood-lined interior retains heat well, encouraging a pleasant sweat even in a short stay. In this quiet space, you can focus on yourself and enjoy a deep sense of refreshment through alternating between the sauna and the hot spring.
Water QualityTap Water
Capacity2people
A cold plunge bath located right next to the sauna. Its crisp chill quickly cools down a body heated by the sauna or hot spring, leaving you feeling refreshed. The high-quality water is gentle on the skin and makes the transition into the state of totonou through alternating baths smooth and comfortable.
Closed Days: None
〒861-0556 5255-2 Hirayama, Yamaga City, Kumamoto Prefecture
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