Photo of Ubako Onsen
Photo information

Kanto · Onsen area

Ubako Onsen

うばこおんせん · 姥子温泉

Kanagawa · 足柄下郡箱根町

Status unconfirmed
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Official classification

Spring type (therapeutic classes)

Official spring-type name (as recorded)単純温泉、カルシウム - 硫酸塩泉、ナトリウム - 硫酸塩泉

Source temperature
44–63°C
pH
Unconfirmed
Flow rate
Unconfirmed
Radon
Unconfirmed

Appearance & feel

Water colour · Feel

Unconfirmed

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.

Hotel · Status unconfirmed

Kagetsuen

Day-use bathing
Unconfirmed
Fee
Unconfirmedno check date
Hours
Unconfirmedno check date
Hotel · Status unconfirmed

Kagetsuen

Day-use bathing
Unconfirmed
Fee
Unconfirmedno check date
Hours
Unconfirmedno check date
Hotel · Status unconfirmed

Kagetsuen

Day-use bathing
Unconfirmed
Fee
Unconfirmedno check date
Hours
Unconfirmedno check date
Ryokan (inn) · Status unconfirmed

姥子温泉;秀明館

Natural spring unconfirmed
Day-use bathing
Unconfirmed
Fee
Unconfirmedno check date
Hours
Unconfirmedno check date

Getting there

Reachable by public transport

小田急箱根箱根ロープウェイ姥子駅

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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