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Izu Nagaoka Onsen
Izu Nagaoka Onsen is a hot spring town in Shizuoka, Japan. The water leaves the ground at 59°C, hot. It measures pH 9.2 — strongly alkaline. Officially the water is classed as simple spring and iodine spring. 36 inns take visitors here.
The water here
Simple spring
Mild and low in dissolved minerals. Usually clear and gentle on the skin, which is why these baths are often recommended for first-timers.
Iodine spring
Contains iodine and often turns yellowish over time. Uncommon.
The numbers
- Water temperature
- 59°C
- pH
- 9.2 (strongly alkaline)
- Inns
- 36
- Address in Japanese
- 静岡県伊豆の国市
Figures from the town's Japanese Wikipedia article.
Where it is
35.0353, 138.9292 — open the map
Read more
Other towns in Shizuoka
Atami OnsenShizuoka · 熱海温泉Shuzenji OnsenShizuoka · 修善寺温泉Atagawa OnsenShizuoka · 熱川温泉Itō OnsenShizuoka · 伊東温泉湯ヶ島温泉ShizuokaSumatakyō OnsenShizuoka · 寸又峡温泉Kanzanji OnsenShizuoka · 舘山寺温泉Toi OnsenShizuoka · 土肥温泉
Planning a first soak? Read how an onsen stay works, and what to do if you have tattoos.