Recommended onsen in Chiba

1 picks ranked from onsen analysis-sheet data (official, verified and free-flowing sources prioritised)

Try your own diagnosis
(Kasho) Yurimachi Sodegaura Ekimae Mall Onsen Chloride Spring
Chloride SpringIodine Containing SpringInfo pending
(Kasho) Yurimachi Sodegaura Ekimae Mall Onsen
湯舞音
Chiba Sodegaura· (仮称) ゆりまち袖ヶ浦駅前モール温泉
Ancient blessings, amber-colored waters

Awakened from deep beneath the earth on the shores of Tokyo Bay in Sodegaura, this onsen originates from ancient seawater. Its deep yellowish-brown color is a testament to the rich minerals nurtured by the land. The thermal effect of the hypertonic chloride spring envelops the body in a warmth that lingers long after bathing, gently melting away daily fatigue. This is a gift from the earth, perfect for those seeking deep tranquility and a day of complete mental and physical refreshment.

Day-use Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline7.7
0714
TEMP25.5℃
0℃50℃100℃
KEY MINERALS
Iodide ion
17.4 mg/kg

Above 10 mg classifies the spring as an "iodine spring" — a rare type that delivers antibacterial and anti-inflammatory action through the skin.

Bicarbonate ion
1358 mg/kg

A "beauty spring" that gently emulsifies dead skin cells, leaving skin smooth after bathing.

Chloride ion
5111 mg/kg

Salinity comparable to seawater. The salt film traps heat for outstanding warmth ("hot bath spring").

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About onsen in Chiba

The benefits of an onsen vary by spring type. Chiba has a wide variety of spring types, each with different characteristics. my Onsen Techo ranks the onsen best suited to your symptom and area based on analysis-sheet data, which is mandated for display under Article 18 of Japan's Hot Spring Act. Each onsen page shows mineral visualisations, bathing tips and booking options.