expression, noun
crossing a mountain pass
Refers to the act of going over a mountain pass, often on foot or by vehicle. Can be used as a noun or as part of a verb phrase with する.
峠越えの道は狭くて曲がりくねっている。
The road over the mountain pass is narrow and winding.
昔の旅人は何日もかけて峠越えをした。
Travelers in the old days spent many days crossing mountain passes.