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Hokuriku & Koshinetsu · Onsen area

Hayatarō Onsen

はやたろうおんせん · 早太郎温泉

Nagano · 駒ヶ根市

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Official classification

Spring type (therapeutic classes)

Official spring-type name (as recorded)単純温泉

Source temperature
29.3°C
pH
9.1
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

Hard to reach by public transport

車 : 中央自動車道駒ヶ根ICより約5分

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

早太郎温泉(はやたろうおんせん)は、長野県駒ヶ根市(旧国信濃国)にある温泉。

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

Register sources

Data status

Name & locationPublishedCoordinatesPublishedSpring typePublishedPhotosPublishedFacilitiesIn preparationVisiting info (dated)In preparationEditorial articleIn preparation

Updated 2026-10-09

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