Photo of Aizankei Onsen
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Hokkaido · Onsen area

Aizankei Onsen

あいざんけいおんせん · 愛山渓温泉

Hokkaido · 上川郡上川町

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Official classification

Spring type (therapeutic classes)

Official spring-type name (as recorded)ナトリウム・マグネシウム-炭酸水素塩・硫酸塩泉 (旧 重曹泉)

Source temperature
44.2°C
pH
6.3
Flow rate
Unconfirmed
Radon
Unconfirmed

Appearance & feel

Water colour · Feel

Clear

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.

No facility information yet.

Getting there

Reachable by public transport

JR北海道石北本線上川駅より車で約50分、約25km JR北海道石北本線安足間駅より車で約40分、約20km

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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.

Onsen areas nearby

Register sources

Data status

Name & locationPublishedCoordinatesPublishedSpring typePublishedPhotosPublishedFacilitiesIn preparationVisiting info (dated)In preparationEditorial articleIn preparation

Updated 2026-10-09

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