A silky hot spring and quiet healing in the inner retreat of Hanamaki Onsen
Iwate Hanamaki City
"Hanamaki Onsen Kashoen" is a ryokan tucked away in a serene setting surrounded by Nambu red pine forests, often referred to as the inner retreat of Hanamaki Onsen. Its pride and joy is a private hot spring source with a high pH, known as a silky, smooth alkaline spring. With a texture as smooth as beauty essence, it leaves the skin moisturized and soft. The large public bath is equipped with a full-scale dry sauna and cold plunge bath, making it possible to enjoy alternating hot and cold bathing with the quality hot spring waters. Relax in the hinoki-scented open-air bath or while taking in the ever-changing scenery beyond the windows, and savor a sublime time of relaxation.
TypeNatural Hot Spring
A highly concentrated alkaline hot spring with a pH of 8.9. Colorless and clear, it is characterized by its distinctive silky texture and is exceptionally effective for beautifying the skin. Water is easily absorbed by the body, leaving the skin amazingly smooth after bathing. It is Kashoen's signature, exquisite hot spring.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity6people
A dry sauna with a calm atmosphere. Pleasant heat fills the room and promotes deep sweating efficiently. Its appeal lies in being able to sweat it out while quietly turning inward and facing yourself. Heat radiating from the sauna stones envelops your whole body and helps you reset from the fatigue of everyday life.
Water QualityTap Water
Capacity2people
A cold plunge bath that gently tightens your body after sauna use. With a moderate temperature setting, it is not too刺激, allowing you to enjoy a slow, comfortable cooldown. The clean water quality and alternating hot-and-cold bathing with the quality hot spring waters guide both body and mind into a deeply refreshed state.
Closed Days: None
〒025-0304 1-125, Yumoto Dai1chiwari, Hanamaki-shi, Iwate
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 silky hot spring and quiet healing in the inner retreat of Hanamaki Onsen
Iwate Hanamaki City
"Hanamaki Onsen Kashoen" is a ryokan tucked away in a serene setting surrounded by Nambu red pine forests, often referred to as the inner retreat of Hanamaki Onsen. Its pride and joy is a private hot spring source with a high pH, known as a silky, smooth alkaline spring. With a texture as smooth as beauty essence, it leaves the skin moisturized and soft. The large public bath is equipped with a full-scale dry sauna and cold plunge bath, making it possible to enjoy alternating hot and cold bathing with the quality hot spring waters. Relax in the hinoki-scented open-air bath or while taking in the ever-changing scenery beyond the windows, and savor a sublime time of relaxation.
TypeNatural Hot Spring
A highly concentrated alkaline hot spring with a pH of 8.9. Colorless and clear, it is characterized by its distinctive silky texture and is exceptionally effective for beautifying the skin. Water is easily absorbed by the body, leaving the skin amazingly smooth after bathing. It is Kashoen's signature, exquisite hot spring.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity6people
A dry sauna with a calm atmosphere. Pleasant heat fills the room and promotes deep sweating efficiently. Its appeal lies in being able to sweat it out while quietly turning inward and facing yourself. Heat radiating from the sauna stones envelops your whole body and helps you reset from the fatigue of everyday life.
Water QualityTap Water
Capacity2people
A cold plunge bath that gently tightens your body after sauna use. With a moderate temperature setting, it is not too刺激, allowing you to enjoy a slow, comfortable cooldown. The clean water quality and alternating hot-and-cold bathing with the quality hot spring waters guide both body and mind into a deeply refreshed state.
Closed Days: None
〒025-0304 1-125, Yumoto Dai1chiwari, Hanamaki-shi, Iwate
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