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Kanto · Onsen area

Ōtemachi Onsen

おおてまちおんせん · 大手町温泉

Tokyo · 千代田区

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Official classification

Spring type (therapeutic classes)

Official spring-type name (as recorded)塩化物強塩温泉

Source temperature
36.5°C
pH
7.3
Flow rate
240 L/min
Radon
Unconfirmed

Appearance & feel

Water colour · Feel

Silky / slippery

Colour and feel are listed only where a source states them. They vary by day and by bath.

This area has basic information only. In-depth articles are being added.

Facilities in this area

Facilities come from the register (Wikipedia, OpenStreetMap, official sites). Those marked "natural spring unconfirmed" are listed on the basis of their name only.

Day-use bath · Status unconfirmed

LaQua

Day-use bathing
Yes
Fee
Unconfirmedno check date
Hours
Unconfirmedno check date
Day-use bath · Status unconfirmed

Gokuraku Yu

Day-use bathing
Yes
Fee
Unconfirmedno check date
Hours
Unconfirmedno check date

Getting there

Reachable by public transport

東京メトロ丸ノ内線、千代田線、半蔵門線、東西線、都営地下鉄三田線大手町駅直結

Checked
no check date

Visitor reviews

No reviews yet. While the review platform is being prepared, we do not display fictional reviews or ratings.

Review posting is in preparation, with visit date, facility, comments on water, scenery and access, photos, language and reporting.

Register sources

Data status

Name & locationPublishedCoordinatesPublishedSpring typePublishedPhotosPublishedFacilitiesPublishedVisiting info (dated)In preparationEditorial articleIn preparation

Updated 2026-10-09

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