Inagoyu Onsen
Photo information
Hokuriku & Koshinetsu · Onsen area
Matsubarako Onsen
まつばらこおんせん · 松原湖温泉
Nagano · 南佐久郡小海町
Status unconfirmed
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Official classification
Spring type (therapeutic classes)
Official spring-type name (as recorded)炭酸水素塩泉
- Source temperature
- 49°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
Reachable by public transport
JR小海線小海駅より小海町営バスで約30分
- 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.
Register sources
- 松原湖温泉 - Wikipedia(日本語版)Wikipedia · CC BY-SA 4.0 · 2026-10-09
- Wikidata Q11529431Wikidata · CC0 · 2026-10-09
Data status
Name & locationPublishedCoordinatesPublishedSpring typePublishedPhotosPublishedFacilitiesIn preparationVisiting info (dated)In preparationEditorial articleIn preparation
Updated 2026-10-09
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