山間

1. Origins, structure, and basic meaning

• Structure: 山間 is read さんかん and names an area among mountains.
• Basic usage: In 山間の小さな村に古い祭りが残っている。, an old festival survives in a small mountain village.

2. Common pitfalls and similar expressions

• A spatial expression
  • 山間の小さな村 means a small village among mountains. 山間を marks the mountain area the train travels through, not an interval of time.