A rich bath with 100% free-flowing natural spring water and an ultra-cold water bath at single-digit temperatures
Hokkaido Iwamizawa City
"Kitamura Onsen Hotel" is a hot spring inn located in the back room of Iwamizawa City, devoted to 100% free-flowing natural spring water. Its rich sodium chloride strong saline spring is never diluted, heated, or recirculated, and is known as a famous hot spring that warms you from the core. The sauna area features two dry saunas with different temperatures, making it easy to choose according to how you feel that day. The highlight is the extremely cold water bath, close to a single-digit temperature below 10 degrees, which delivers an intense experience by instantly tightening your overheated body after the sauna. Outdoor relaxation in the spacious open-air area leads you into deep relaxation together with Hokkaido's clear air.
TypeNatural Hot Spring
A 100% free-flowing sodium chloride strong saline spring. With its high salt content and excellent heat-retention properties, it is a true hot spring that warms you deeply. In a stone-built bath full of atmosphere, you can fully enjoy the pure power of a spring with no added water or heating.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity12people
A far-infrared sauna characterized by powerful heat. The room temperature exceeds 90 degrees, and the setting is satisfying even for experienced users who want to work up a thorough sweat. You can enjoy an authentic dry sauna surrounded by the aroma of wood.
Water QualityTap Water
Capacity3people
An ultra-cold water bath set to single-digit temperatures below 10 degrees. It instantly cools the body after the sauna and opens the door to a vivid state of totonou. Many fans even travel from far away just to experience this coldness.
Closed Days: None
〒068-1213 156-7 Kitamuraakagawa, Iwamizawa, Hokkaido
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
A rich bath with 100% free-flowing natural spring water and an ultra-cold water bath at single-digit temperatures
Hokkaido Iwamizawa City
"Kitamura Onsen Hotel" is a hot spring inn located in the back room of Iwamizawa City, devoted to 100% free-flowing natural spring water. Its rich sodium chloride strong saline spring is never diluted, heated, or recirculated, and is known as a famous hot spring that warms you from the core. The sauna area features two dry saunas with different temperatures, making it easy to choose according to how you feel that day. The highlight is the extremely cold water bath, close to a single-digit temperature below 10 degrees, which delivers an intense experience by instantly tightening your overheated body after the sauna. Outdoor relaxation in the spacious open-air area leads you into deep relaxation together with Hokkaido's clear air.
TypeNatural Hot Spring
A 100% free-flowing sodium chloride strong saline spring. With its high salt content and excellent heat-retention properties, it is a true hot spring that warms you deeply. In a stone-built bath full of atmosphere, you can fully enjoy the pure power of a spring with no added water or heating.
Sauna TypeDry Sauna
Stove TypeInfrared Heater
Capacity12people
A far-infrared sauna characterized by powerful heat. The room temperature exceeds 90 degrees, and the setting is satisfying even for experienced users who want to work up a thorough sweat. You can enjoy an authentic dry sauna surrounded by the aroma of wood.
Water QualityTap Water
Capacity3people
An ultra-cold water bath set to single-digit temperatures below 10 degrees. It instantly cools the body after the sauna and opens the door to a vivid state of totonou. Many fans even travel from far away just to experience this coldness.
Closed Days: None
〒068-1213 156-7 Kitamuraakagawa, Iwamizawa, Hokkaido
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