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Hokuriku & Koshinetsu · Onsen area

Ryuoo Onsen

りゅうおうおんせん · 竜王温泉

Nagano · 下高井郡山ノ内町

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Official classification

Spring type (therapeutic classes)

Official spring-type name (as recorded)塩化物泉

Source temperature
42°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

交通アクセスを参照のこと

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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

竜王温泉(りゅうおうおんせん)は、長野県下高井郡山ノ内町大字夜間瀬にある温泉。

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

Onsen areas nearby

Register sources

Data status

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

Updated 2026-10-09

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