Photo of Asashina Onsen
Photo information
photo: Qurren (トーク) Taken with Canon PowerShot G9 X CC BY-SA 4.0 View original page

Hokuriku & Koshinetsu · Onsen area

Asashina Onsen

あさしなおんせん · あさしな温泉

Nagano · 佐久市

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Official classification

Spring type (therapeutic classes)

Official spring-type name (as recorded)ナトリウム・カルシウムー塩化物泉

Source temperature
30.1°C
pH
7.5
Flow rate
373 L/min
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

Reachable by public transport

鉄道:小海線中込駅より千曲バス、車:上信越自動車道佐久ICより国道141号、国道142号経由

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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

あさしな温泉(あさしなおんせん)は、長野県佐久市甲にする温泉。

This overview is based on the lead section of the Japanese Wikipedia article "あさしな温泉" (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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