A vast sauna and sulfur spring water straight from the source
Fukushima Iwaki City
"Spa Resort Hawaiians Onsen Large Bath Palace" is a huge bathing facility in Iwaki City, Fukushima Prefecture. Boasting an overwhelming 960 square meters across the men's and women's baths combined, it offers a rich variety of bathing experiences across 12 types and 24 baths, including migake-style baths and cypress baths. The sauna is a spacious area equipped with two types, high-temperature and low-temperature, with settings that satisfy everyone from beginners to enthusiasts. Some baths feature sulfur spring water straight from the source with no added water, allowing you to fully enjoy the hot spring in a liberating, Hawaiians-style space where you can let both body and mind unwind in bliss.
TypeNatural Hot Spring
Sulfur spring water that helps promote metabolism, with some baths fed directly from the source. It is characterized by its distinctive aroma and soft texture, and the luxury of soaking with your arms and legs stretched out in a large bath is exceptional. Take all the time you want to enjoy this famous spring that has supported the history of Hawaiians.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity12people
A high-temperature sauna in a spacious setting where you can feel a strong wave of heat. Designed so that even larger groups can sit comfortably, its powerful heat envelops your entire body. It helps relieve the fatigue of playing at Hawaiians with deep perspiration.
Water QualityTap Water
Capacity8people
A generously sized cold plunge bath that suits a large public bath. It cools the body just enough after sauna use and provides a refreshing reset. Its spaciousness also makes it comfortable for multiple guests to use at once.
Closed Days: None
Spring Park, Warabidaira, Tokiwa Fujiwara-cho, Iwaki City, Fukushima 972-8326
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 vast sauna and sulfur spring water straight from the source
Fukushima Iwaki City
"Spa Resort Hawaiians Onsen Large Bath Palace" is a huge bathing facility in Iwaki City, Fukushima Prefecture. Boasting an overwhelming 960 square meters across the men's and women's baths combined, it offers a rich variety of bathing experiences across 12 types and 24 baths, including migake-style baths and cypress baths. The sauna is a spacious area equipped with two types, high-temperature and low-temperature, with settings that satisfy everyone from beginners to enthusiasts. Some baths feature sulfur spring water straight from the source with no added water, allowing you to fully enjoy the hot spring in a liberating, Hawaiians-style space where you can let both body and mind unwind in bliss.
TypeNatural Hot Spring
Sulfur spring water that helps promote metabolism, with some baths fed directly from the source. It is characterized by its distinctive aroma and soft texture, and the luxury of soaking with your arms and legs stretched out in a large bath is exceptional. Take all the time you want to enjoy this famous spring that has supported the history of Hawaiians.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity12people
A high-temperature sauna in a spacious setting where you can feel a strong wave of heat. Designed so that even larger groups can sit comfortably, its powerful heat envelops your entire body. It helps relieve the fatigue of playing at Hawaiians with deep perspiration.
Water QualityTap Water
Capacity8people
A generously sized cold plunge bath that suits a large public bath. It cools the body just enough after sauna use and provides a refreshing reset. Its spaciousness also makes it comfortable for multiple guests to use at once.
Closed Days: None
Spring Park, Warabidaira, Tokiwa Fujiwara-cho, Iwaki City, Fukushima 972-8326
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