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Tokai · Onsen area

Izu Nagaoka Onsen

いずながおかおんせん · 伊豆長岡温泉

Shizuoka · 伊豆の国市

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Official classification

Spring type (therapeutic classes)

Official spring-type name (as recorded)アルカリ性単純温泉

Source temperature
59°C
pH
9.2
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.

Getting there

Reachable by public transport

鉄道:伊豆箱根鉄道駿豆線伊豆長岡駅よりバスで約5分。、車:東名高速道路沼津IC、新東名高速道路長泉沼津ICより約20分。

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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.

Register sources

Data status

Name & locationPublishedCoordinatesPublishedSpring typePublishedPhotosPublishedFacilitiesPublishedVisiting info (dated)In preparationEditorial articleIn preparation

Updated 2026-10-09

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