
Photo: Soica2001 (talk) · Public domain · Wikimedia Commons
宮内温泉 is a hot spring town in Hokkaido, Japan. The water leaves the ground at 48.8°C, hot. It measures pH 7.2 — close to neutral. Officially the water is classed as bicarbonate spring and sulfate spring. Its sources put out around 3,000 litres a minute. 1 inns take visitors here.
Smooth, slightly slippery water. Often nicknamed bihada-no-yu, the water for beautiful skin.
Clear water with a faintly bitter taste. Known for holding heat.
Figures from the town's Japanese Wikipedia article.
Planning a first soak? Read how an onsen stay works, and what to do if you have tattoos.