Wrapped in the warmth of a private source spring, you can totonou with the tower sauna and cold plunge bath
Shizuoka Shizuoka City
"Aoi Onsen Kusanagi no Yu" is a day-use hot spring facility in Shimizu Ward, Shizuoka City. Its private source spring, piped in from the area around Higashi-Shizuoka Station, is a calcium-sodium chloride spring rich in salt. Guests can enjoy this renowned hot spring in a variety of settings, including an open-air bath with a large rock bath and "Bihou no Yu," where water bubbles up from Shigaraki ware jars. The sauna area features a large tower sauna, offering an invigorating sweating experience with powerful heat. Alternating between the sauna and the cold plunge bath, which is refreshingly cold, has captivated many sauna fans.
TypeNatural Hot Spring
A natural hot spring of calcium-sodium chloride water. The water drawn from the private source is known for its strong warming and moisturizing effects, and it does not let you cool down easily after bathing. In the open-air rock bath, you can fully enjoy this renowned hot spring in an open, airy setting.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity25people
A large high-temperature sauna with spacious seating arranged over 5 levels. The different tiers let you choose your preferred heat level, so you can enjoy a gradual and steady sweat at your own pace. Powerful heat circulates through the room, heightening the refreshing feeling after your sauna session. Clean and comfortable, it is a space where you can relax while watching TV.
Water QualityTap Water
Capacity5people
A crisp, cold cold plunge bath located right in front of the sauna. With a stable water temperature, it quickly cools down a heated body. It is spacious and deep enough to fully cool the whole body, guiding you toward a deep state of totonou.
Closed Days: None
1865-2 Kusanagi, Shimizu Ward, Shizuoka City, Shizuoka 424-0886
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
Wrapped in the warmth of a private source spring, you can totonou with the tower sauna and cold plunge bath
Shizuoka Shizuoka City
"Aoi Onsen Kusanagi no Yu" is a day-use hot spring facility in Shimizu Ward, Shizuoka City. Its private source spring, piped in from the area around Higashi-Shizuoka Station, is a calcium-sodium chloride spring rich in salt. Guests can enjoy this renowned hot spring in a variety of settings, including an open-air bath with a large rock bath and "Bihou no Yu," where water bubbles up from Shigaraki ware jars. The sauna area features a large tower sauna, offering an invigorating sweating experience with powerful heat. Alternating between the sauna and the cold plunge bath, which is refreshingly cold, has captivated many sauna fans.
TypeNatural Hot Spring
A natural hot spring of calcium-sodium chloride water. The water drawn from the private source is known for its strong warming and moisturizing effects, and it does not let you cool down easily after bathing. In the open-air rock bath, you can fully enjoy this renowned hot spring in an open, airy setting.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity25people
A large high-temperature sauna with spacious seating arranged over 5 levels. The different tiers let you choose your preferred heat level, so you can enjoy a gradual and steady sweat at your own pace. Powerful heat circulates through the room, heightening the refreshing feeling after your sauna session. Clean and comfortable, it is a space where you can relax while watching TV.
Water QualityTap Water
Capacity5people
A crisp, cold cold plunge bath located right in front of the sauna. With a stable water temperature, it quickly cools down a heated body. It is spacious and deep enough to fully cool the whole body, guiding you toward a deep state of totonou.
Closed Days: None
1865-2 Kusanagi, Shimizu Ward, Shizuoka City, Shizuoka 424-0886
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