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Hokkaido · Onsen area

Yūdoku Onsen

ゆうどくおんせん · 有毒温泉

Hokkaido · 上川郡上川町

Status unconfirmed
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Official classification

Spring type (therapeutic classes)

Official spring-type name (as recorded)硫化水素泉

Source temperature
Unconfirmed
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.

No facility information yet.

Getting there

Public transport unconfirmed
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.

Overview

有毒温泉(ゆうどくおんせん)は、北海道上川郡上川町にある温泉。 大雪山国立公園の御鉢平カルデラの底部に位置する。「有毒温泉」の名前は硫化水素を含む有毒な火山ガスが噴出していることによるもの。

This overview is based on the lead section of the Japanese Wikipedia article "有毒温泉" (CC BY-SA 4.0). View original page

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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