Photo information
Photo information
Save to passport
Official classification
Spring type (therapeutic classes)
Official spring-type name (as recorded)硫酸塩泉
- 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
Reachable by public transport
鉄道 :JR小海線松原湖駅から小海町営バス稲子湯行きで終点下車。登山道を「しらびそ小屋」経由で約3時間半、車 : 上信越自動車道佐久ICから普通車駐車場まで約1時間
- 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
Photo information
Karasawa Kosen (mineral spring)
Inagoyu Onsen
Photo information
Okutateshina Onsen
Okutateshina Onsen
6.2 km
Photo information
Register sources
- 本沢温泉 - Wikipedia(日本語版)Wikipedia · CC BY-SA 4.0 · 2026-10-09
- Wikidata Q11520497Wikidata · CC0 · 2026-10-09
Data status
Name & locationPublishedCoordinatesPublishedSpring typePublishedPhotosPublishedFacilitiesIn preparationVisiting info (dated)In preparationEditorial articleIn preparation
Updated 2026-10-09
Suggest a correction or addition