風ふう穴けつ

noun

cave from which cold wind blows; wind cave

Refers to a natural cave or opening where cold air flows out, often found in mountainous or volcanic areas. The term is somewhat specialized and may be encountered in geographical or travel contexts.

• この山やまには風ふう穴けつがいくつかあり、夏なつでも冷つめたい風かぜが吹ふき出だしている。

  There are several wind caves in this mountain, and cold wind blows out even in summer.