A quiet inn hidden among the trees, offering free-flowing natural hot spring water
Kumamoto Kikuchi City
"Seiryuso" is a hot spring ryokan nestled among lush trees, a little away from the Kikuchi Onsen district in Kikuchi City, Kumamoto Prefecture. You can enjoy the natural hot spring in harmony with nature, from the handcrafted open-air bath "Hotaru no Yu," where you can listen to the murmuring of the Kikuchi River, to the grand indoor bath surrounded by large rocks, all while savoring the free-flowing natural spring water of the beautiful skin bath. The property also features "Yunokura," a set of 12 private family baths, making it appealing for those who want to relax and enjoy the hot springs in a private setting. Together with creative kaiseki cuisine that changes with the seasons, it offers a blissful escape where you can forget the everyday and unwind both body and mind.
TypeNatural Hot Spring
A natural hot spring known for its smooth, silky feel, a signature of Kikuchi Onsen. Its alkaline water is said to have excellent skin-beautifying effects, leaving the skin smooth after bathing. At Seiryuso, this fresh spring water is used in free flow. You can enjoy a luxurious bath while feeling the murmuring of the clear stream and the rustling of the trees, experiencing nature’s blessings just as they are.
Closed Days: None
1587-17 Waifu, Kikuchi City, Kumamoto Prefecture 861-1331
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 quiet inn hidden among the trees, offering free-flowing natural hot spring water
Kumamoto Kikuchi City
"Seiryuso" is a hot spring ryokan nestled among lush trees, a little away from the Kikuchi Onsen district in Kikuchi City, Kumamoto Prefecture. You can enjoy the natural hot spring in harmony with nature, from the handcrafted open-air bath "Hotaru no Yu," where you can listen to the murmuring of the Kikuchi River, to the grand indoor bath surrounded by large rocks, all while savoring the free-flowing natural spring water of the beautiful skin bath. The property also features "Yunokura," a set of 12 private family baths, making it appealing for those who want to relax and enjoy the hot springs in a private setting. Together with creative kaiseki cuisine that changes with the seasons, it offers a blissful escape where you can forget the everyday and unwind both body and mind.
TypeNatural Hot Spring
A natural hot spring known for its smooth, silky feel, a signature of Kikuchi Onsen. Its alkaline water is said to have excellent skin-beautifying effects, leaving the skin smooth after bathing. At Seiryuso, this fresh spring water is used in free flow. You can enjoy a luxurious bath while feeling the murmuring of the clear stream and the rustling of the trees, experiencing nature’s blessings just as they are.
Closed Days: None
1587-17 Waifu, Kikuchi City, Kumamoto Prefecture 861-1331
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