Minami-Kashiwa Natural Hot Spring Sumire
Minami-Kashiwa Natural Hot Spring Sumire is a day-use hot spring facility located in Nagareyama City, Chiba Prefecture. It boasts an open-air bath where you can enjoy 100% free-flowing chloride spring water from its own source, known as 'Netsu no Yu', which warms the body from the core. The facility features two types of saunas: a hot air auto löyly sauna and a yomogi mud salt sauna, which promote sweating, followed by a refreshing cold plunge bath. The facility also includes a five-room stone sauna 'La Viola', a dining area using Koshihikari rice from Myoko, Niigata Prefecture, and offers Korean-style body scrubs and esthetic treatments, allowing you to spend your time comfortably from 7 AM until late at night.
Minami-Kashiwa Natural Hot Spring Sumire
Minami-Kashiwa Natural Hot Spring Sumire is a day-use hot spring facility located in Nagareyama City, Chiba Prefecture. It boasts an open-air bath where you can enjoy 100% free-flowing chloride spring water from its own source, known as 'Netsu no Yu', which warms the body from the core. The facility features two types of saunas: a hot air auto löyly sauna and a yomogi mud salt sauna, which promote sweating, followed by a refreshing cold plunge bath. The facility also includes a five-room stone sauna 'La Viola', a dining area using Koshihikari rice from Myoko, Niigata Prefecture, and offers Korean-style body scrubs and esthetic treatments, allowing you to spend your time comfortably from 7 AM until late at night.
Hot Spring Information
Minami-Kashiwa Onsen
A self-sourced spring welling up from deep underground. It is a chloride spring with a high salt content, also known as 'Netsu no Yu'. The water has a salty film-like feel, leaving a thin salt film on the skin after bathing, providing high heat retention. It promotes blood circulation and effectively warms the body from the core. In the open-air bath 'Atsu Yu', you can enjoy fresh water with 100% free-flowing spring water, while in the relaxation bath, you can soak leisurely in temperature-adjusted hot spring water. It is expected to improve cold sensitivity and dry skin, with the warmth continuing to envelop the body after bathing.
Sauna & Cold Bath Information
Hot Air Auto Löyly Sauna
A dry sauna where high-temperature hot air envelops the entire body. The auto löyly periodically generates steam, creating a comfortable wave of heat and humidity balance. The efficient heat convection warms you to the core in a short time, preparing you well for totonou. It has a high detox effect, washing away everyday fatigue.
Yomogi Mud Salt Sauna
A low-temperature sauna using yomogi and mud salt. Applying salt to the body promotes sweating, aiding in the expulsion of waste and providing a beautifying effect on the skin. The scent of yomogi induces relaxation, and the minerals in the mud salt smooth the skin. Unlike high-temperature saunas, it provides a gentle heat that warms you slowly over time.
Cold Bath
A refreshingly cold plunge bath. It quickly tightens the pores opened in the sauna and rapidly cools the heat remaining in the core of the body.
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