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Fukuoka Munakata City
Munakata Oumaru Natural Hot Spring Yamatsubasa in Munakata City is a hot spring facility with the entire building featuring free-flowing spring water. The indoor bath includes a wide 18-meter-long bath, and the outdoor baths are designed with a 'moon' motif, offering a variety of tubs. The sauna offers two types: high-temperature auto löyly and hot spring nano steam. The cold plunge bath is supplied with free-flowing Oumaru natural underground water. The facility also includes an accommodation facility called 'Hakuto,' with all rooms featuring semi-open-air baths with free-flowing spring water.
TypeNatural Hot Spring
The spring quality is an alkaline simple hot spring (pH 9.9) with a discharge rate of about 600L/min. It is colorless and clear with a faint hydrogen sulfide smell, operated with free-flowing spring water throughout the facility. New water is supplied without dilution, and complete water replacement and cleaning are performed after business hours. Enjoy fresh water in the spacious 18-meter-long bath and various outdoor tubs.
TypeNatural Hot Spring
The spring quality is a sodium-calcium sulfate hot spring, with a source temperature of 45.6°C. The accommodation building 'Hakuto' also features free-flowing spring water in each room's semi-open-air bath. It is characterized by the moist feeling typical of sulfate springs after bathing, offering a different ambiance for day-use bathing and overnight stays.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity30people
The automatic löyly operates every 60 minutes, designed to rapidly increase the perceived temperature in the 85-90°C range. After sweating, you can easily transition to the Oumaru natural water cold plunge bath, achieving a high level of refreshment in a short time due to the contrast between heat and cold.
Sauna TypeSteam Sauna
Stove TypeBuilt-in Stove
Capacity10people
Heated spring water is sprayed as ultra-fine steam. The fine steam easily reaches the hair and skin, promoting low-irritation and moisturizing perspiration. Combined with the properties of the alkaline simple hot spring (pH 9.9), it provides a pleasant skin feel and relaxation.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity10people
Supplied with free-flowing 'Oumaru Natural Water' pumped from underground. The temperature is about 18°C, with two pools of 60cm and 100cm depth available. It cools thoroughly but feels gentle, making it ideal for cooling down after the auto löyly.
Closed Days: None
474 Oumaru, Munakata City, Fukuoka Prefecture
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
—
Fukuoka Munakata City
Munakata Oumaru Natural Hot Spring Yamatsubasa in Munakata City is a hot spring facility with the entire building featuring free-flowing spring water. The indoor bath includes a wide 18-meter-long bath, and the outdoor baths are designed with a 'moon' motif, offering a variety of tubs. The sauna offers two types: high-temperature auto löyly and hot spring nano steam. The cold plunge bath is supplied with free-flowing Oumaru natural underground water. The facility also includes an accommodation facility called 'Hakuto,' with all rooms featuring semi-open-air baths with free-flowing spring water.
TypeNatural Hot Spring
The spring quality is an alkaline simple hot spring (pH 9.9) with a discharge rate of about 600L/min. It is colorless and clear with a faint hydrogen sulfide smell, operated with free-flowing spring water throughout the facility. New water is supplied without dilution, and complete water replacement and cleaning are performed after business hours. Enjoy fresh water in the spacious 18-meter-long bath and various outdoor tubs.
TypeNatural Hot Spring
The spring quality is a sodium-calcium sulfate hot spring, with a source temperature of 45.6°C. The accommodation building 'Hakuto' also features free-flowing spring water in each room's semi-open-air bath. It is characterized by the moist feeling typical of sulfate springs after bathing, offering a different ambiance for day-use bathing and overnight stays.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity30people
The automatic löyly operates every 60 minutes, designed to rapidly increase the perceived temperature in the 85-90°C range. After sweating, you can easily transition to the Oumaru natural water cold plunge bath, achieving a high level of refreshment in a short time due to the contrast between heat and cold.
Sauna TypeSteam Sauna
Stove TypeBuilt-in Stove
Capacity10people
Heated spring water is sprayed as ultra-fine steam. The fine steam easily reaches the hair and skin, promoting low-irritation and moisturizing perspiration. Combined with the properties of the alkaline simple hot spring (pH 9.9), it provides a pleasant skin feel and relaxation.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity10people
Supplied with free-flowing 'Oumaru Natural Water' pumped from underground. The temperature is about 18°C, with two pools of 60cm and 100cm depth available. It cools thoroughly but feels gentle, making it ideal for cooling down after the auto löyly.
Closed Days: None
474 Oumaru, Munakata City, Fukuoka Prefecture
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