A blissful tour of lukewarm baths. Lose track of time with 15 baths and a sauna overlooking Mt. Tenzan
Saga Saga City
"Furuyu Onsen ONCRI / Onkuri" is a mountain valley hot spring retreat in Fujicho, Saga City, Saga Prefecture. Its signature feature is the exquisite 38°C lukewarm bath, which lets you soak for long periods without putting strain on your body, creating a deeply relaxing effect. At SHIORI, a diverse bath area with 15 different baths for men and women combined, you can spend luxurious time moving between baths such as the open-air bath with a view of Mt. Tenzan, the reclining bath, and the box steam bath. A dry sauna and cold plunge bath are also available, letting you enjoy traditional therapeutic bathing culture in a modern setting.
TypeNatural Hot Spring
The facility uses its own private source from Furuyu Onsen, beloved as a beauty-enhancing hot spring, in generous supply. The lukewarm water at around 38°C is easy on the body even for long soaks, and is known for its high level of relaxation. From the open-air bath overlooking Mt. Tenzan to the hinoki bath and ceramic bath, you can fully enjoy the gentle texture of the water in a variety of tubs.
Sauna TypeDry Sauna
Capacity12people
A dry sauna located inside the main bathing area. In a calm atmosphere, you can work up a good sweat and refresh yourself from the core of your body. Using it between long soaks in the lukewarm bath lets you experience an even deeper sense of relaxation.
Water QualityTap Water
Capacity5people
A cold plunge bath installed in the open-air area. The cold water pleasantly tightens your body after it has been heated in the sauna or box steam bath. Cooling down while feeling the crisp mountain valley air is exceptional.
Closed Days: None
556 Furuyu, Fujicho, Saga City, Saga 840-0501
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 moreA blissful tour of lukewarm baths. Lose track of time with 15 baths and a sauna overlooking Mt. Tenzan
Saga Saga City
"Furuyu Onsen ONCRI / Onkuri" is a mountain valley hot spring retreat in Fujicho, Saga City, Saga Prefecture. Its signature feature is the exquisite 38°C lukewarm bath, which lets you soak for long periods without putting strain on your body, creating a deeply relaxing effect. At SHIORI, a diverse bath area with 15 different baths for men and women combined, you can spend luxurious time moving between baths such as the open-air bath with a view of Mt. Tenzan, the reclining bath, and the box steam bath. A dry sauna and cold plunge bath are also available, letting you enjoy traditional therapeutic bathing culture in a modern setting.
TypeNatural Hot Spring
The facility uses its own private source from Furuyu Onsen, beloved as a beauty-enhancing hot spring, in generous supply. The lukewarm water at around 38°C is easy on the body even for long soaks, and is known for its high level of relaxation. From the open-air bath overlooking Mt. Tenzan to the hinoki bath and ceramic bath, you can fully enjoy the gentle texture of the water in a variety of tubs.
Sauna TypeDry Sauna
Capacity12people
A dry sauna located inside the main bathing area. In a calm atmosphere, you can work up a good sweat and refresh yourself from the core of your body. Using it between long soaks in the lukewarm bath lets you experience an even deeper sense of relaxation.
Water QualityTap Water
Capacity5people
A cold plunge bath installed in the open-air area. The cold water pleasantly tightens your body after it has been heated in the sauna or box steam bath. Cooling down while feeling the crisp mountain valley air is exceptional.
Closed Days: None
556 Furuyu, Fujicho, Saga City, Saga 840-0501
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