秘ひ境きょう

noun

unexplored region; secluded place; off the beaten track

Refers to remote, little-known, or hard-to-reach places, often with a sense of mystery or pristine nature. Used in travel writing, adventure contexts, and figurative expressions.

• アマゾンの秘ひ境きょうを探たん検けんするツアーに参さん加かした。

  I joined a tour to explore the unexplored regions of the Amazon.

• この温おん泉せんは山やま奥おくの秘ひ境きょうにある。

  This hot spring is located in a secluded place deep in the mountains.