岩いわ風ぶ呂ろ

noun

rock bath; stone bathtub; rocky hot spring

Refers to a bathtub or onsen made of natural rock, or surrounded by rocks, often evoking a rustic outdoor atmosphere.

• 旅りょ館かんの露ろ天てん岩いわ風ぶ呂ろから海うみが見みえる。

  You can see the ocean from the inn's open-air rock bath.