Iwanai Onsen
Photo information
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Official classification
Spring type (therapeutic classes)
Official spring-type name (as recorded)カルシウム・ナトリウム - 硫酸塩泉
- Source temperature
- 46°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.
No facility information yet.
Getting there
Public transport unconfirmed
アクセスの節参照
- Checked
- no check date
Photo gallery
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
- 盃温泉 - Wikipedia(日本語版)Wikipedia · CC BY-SA 4.0 · 2026-10-09
- Wikidata Q11581143Wikidata · CC0 · 2026-10-09
Data status
Name & locationPublishedCoordinatesPublishedSpring typePublishedPhotosPublishedFacilitiesIn preparationVisiting info (dated)In preparationEditorial articleIn preparation
Updated 2026-10-09
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