源げん泉せんかけ流ながし

noun

free-flowing hot spring water from the source

Refers to onsen where fresh, untreated hot spring water flows directly into the bath without recirculation, filtration, or additives. A key quality marker for hot spring enthusiasts.

• この旅りょ館かんは源げん泉せんかけ流ながしの温おん泉せんが自じ慢まんです。

  This inn prides itself on its free-flowing hot spring water from the source.

• 源げん泉せんかけ流ながしの湯ゆは肌はだにやさしい。

  The water from a free-flowing source is gentle on the skin.