Photo: 温泉大好き · CC BY-SA 4.0 · Wikimedia Commons

Nanno Onsen

Gifu · 南濃温泉

Nanno Onsen is a hot spring town in Gifu, Japan. The water leaves the ground at 36°C, comfortably warm. It measures pH 7.2 — close to neutral. Officially the water is classed as chloride spring.

Chloride spring

The water here

Chloride spring 塩化物泉

Salty water. The salt leaves a thin film on the skin, so you stay warm well after leaving the bath.

The numbers

Water temperature: 36°C
pH: 7.2 (close to neutral)
Address in Japanese: 岐阜県海津市南濃町羽沢

Figures from the town's Japanese Wikipedia article.

Where it is

35.2123, 136.6002 — open the map

Japanese Wikipedia

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