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Official classification
Spring type (therapeutic classes)
Official spring-type name (as recorded)弱アルカリ性単純温泉
- Source temperature
- 37.5°C
- pH
- 8.6
- 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
Hard to reach by public transport
上信越自動車道豊田飯山ICから国道117号経由、車で40分。
- Checked
- no check date
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Review posting is in preparation, with visit date, facility, comments on water, scenery and access, photos, language and reporting.
Overview
いいやま湯滝温泉（いいやまゆたきおんせん）は、長野県飯山市一山にある温泉又は日帰り温泉施設の名。国道117号線沿いで湧出している。
This overview is based on the lead section of the Japanese Wikipedia article "いいやま湯滝温泉" (CC BY-SA 4.0). View original page
Onsen areas nearby
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Madarao no Yu
15.5 km
Register sources
- いいやま湯滝温泉 - Wikipedia(日本語版)Wikipedia · CC BY-SA 4.0 · 2026-10-09
- Wikidata Q109602916Wikidata · CC0 · 2026-10-09
Data status
Name & locationPublishedCoordinatesPublishedSpring typePublishedPhotosPublishedFacilitiesIn preparationVisiting info (dated)In preparationEditorial articleIn preparation
Updated 2026-10-09
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