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Yokohama Tsurumi Onsen

Yokohama, Kanagawa, Japan
Yokohama Tsurumi Onsen
Location
Yokohama, Kanagawa, Japan
Water type
sodium chloride
Temperature
41 °C
pH
7.3

Water profile

Thermicity
Sedative
41 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Restorative
LowHigh

Loaded with major ions — the essential minerals (Ca, Mg).

Buoyancy
Effortless float
LowHigh

Dense, salty water — you float without effort.

SodiumChloruresBrome

Yokohama Tsurumi Onsen is a community thermal facility in Tsurumi Ward in northern Yokohama, a historically significant industrial and immigrant community where Kawasaki Steel and Toshiba's foundational factories were established in the early Meiji period and where significant Korean and other Asian immigrant communities have shaped a vibrant multicultural neighborhood culture documented in the ward's festivals, food culture, and the nearby Sojiji—one of the two head temples of the Soto Zen school of Japanese Buddhism, whose sprawling complex is a significant center of Japanese religious practice. The siliceous mineral waters provide daily wellness bathing for a densely populated working ward whose resident community connects Japanese, Korean, Filipino, and other Asian communities in an urban neighborhood of multicultural character and industrial heritage rarely encountered in Yokohama's more polished touristic circuits. The Sojiji's vast meditation halls, the traditional Korean market streets of Tsurumi, and the warm mineral waters give this onsen an authentic, community-rooted character embedded in one of Japan's most genuinely multicultural wards.

Insider tip — Tsurumi in northern Yokohama is a densely populated industrial district with a long tradition of public bathhouses serving factory workers. The sento draws the characteristic dark, sodium-rich thermal water of the Kanto plain, which is heated by deep geothermal sources and distinguished by its high humic content. The mourotenyo — the jet-black colour of the water — is a point of local pride and an unmistakable mark of authentic Tokyo-area thermal bathing.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 41 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).